Collection: Springs - Extension
Springs -> ExtensionThere are 1098 products in the sub-categories of Springs - Extension. Scroll down or follow the link to Springs - Extension in the products table to see all these items combined into a handy table with filters. To narrow down the selection, please choose a sub-category from the links below.
 
          Springs - Extension - Music Wire
A selection of Music Wire Extension Springs. Carbon spring steel, zinc plated...
 
          Springs - Extension - Stainless Steel
A selection of Stainless Steel Extension Springs. 300 gradd stainless steel selection,...
Category Details
This category includes various types of extension springs.
- Helical spring that absorbs and stores energy by resisting a pulling force. When extended, it stores energy, and when released, it redistributes that energy to return to its original, coiled shape.
- Typically used to provide a pulling force between two objects, often with hooks or loops on either end for attachment.
- This category includes short and long lengths. An expanded range may be available on special order. Please enquire.
 
      Miniature Bearings Australia - MBA Minibearings
Additional resources:
A more concise listing may be found in the Springs - Extension category on the Small Parts & Bearings online store.
| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Spring Rate | Initial Tension (IT) | Indicative Image | 
|---|---|---|---|---|---|---|
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.250 mm (Equiv. 0.01 in.) | Max. Extension (L1)20.40 mm | Spring Rate0.11 N/mm | Initial Tension (IT)0.2 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 1.27 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0100-025-S4 (5 Pcs) Extension Springs - 3x10x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $7.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Indicative Image | ||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.250 mm (Equiv. 0.01 in.) | Max. Extension (L1)20.40 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.11 N/mm    
                     
                
                    Initial Tension (IT): 0.2 N   
                               
               
                    Load at L1: 1.27 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0100-025-S4 (5 Pcs) Extension Springs - 3x10x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $7.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.250 mm (Equiv. 0.01 in.) | Max. Extension (L1)20.40 mm | Spring Rate0.11 N/mm | Initial Tension (IT)0.2 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 1.27 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0100-025-M (5 Pcs) Extension Springs - 3x10x0.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.250 mm (Equiv. 0.01 in.) | Max. Extension (L1)20.40 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.11 N/mm    
                     
                
                    Initial Tension (IT): 0.2 N   
                               
               
                    Load at L1: 1.27 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0100-025-M (5 Pcs) Extension Springs - 3x10x0.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.300 mm (Equiv. 0.012 in.) | Max. Extension (L1)18.70 mm | Spring Rate0.23 N/mm | Initial Tension (IT)0.3 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 2.25 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0100-03-S4 (5 Pcs) Extension Springs - 3x10x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $7.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.300 mm (Equiv. 0.012 in.) | Max. Extension (L1)18.70 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.23 N/mm    
                     
                
                    Initial Tension (IT): 0.3 N   
                               
               
                    Load at L1: 2.25 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0100-03-S4 (5 Pcs) Extension Springs - 3x10x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $7.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.300 mm (Equiv. 0.012 in.) | Max. Extension (L1)18.70 mm | Spring Rate0.23 N/mm | Initial Tension (IT)0.3 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 2.25 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0100-03-M (5 Pcs) Extension Springs - 3x10x0.3 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.300 mm (Equiv. 0.012 in.) | Max. Extension (L1)18.70 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.23 N/mm    
                     
                
                    Initial Tension (IT): 0.3 N   
                               
               
                    Load at L1: 2.25 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0100-03-M (5 Pcs) Extension Springs - 3x10x0.3 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)14.60 mm | Spring Rate0.59 N/mm | Initial Tension (IT)0.7 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 3.33 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0100-035-M (5 Pcs) Extension Springs - 3x10x0.35 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)14.60 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.59 N/mm    
                     
                
                    Initial Tension (IT): 0.7 N   
                               
               
                    Load at L1: 3.33 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0100-035-M (5 Pcs) Extension Springs - 3x10x0.35 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)14.60 mm | Spring Rate0.59 N/mm | Initial Tension (IT)0.7 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 3.33 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0100-035-S4 (5 Pcs) Extension Springs - 3x10x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $7.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)14.60 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.59 N/mm    
                     
                
                    Initial Tension (IT): 0.7 N   
                               
               
                    Load at L1: 3.33 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0100-035-S4 (5 Pcs) Extension Springs - 3x10x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $7.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)13.50 mm | Spring Rate0.98 N/mm | Initial Tension (IT)0.9 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 4.41 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0100-04-M (100 Pcs) Extension Springs - 3x10x0.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $131.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)13.50 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.98 N/mm    
                     
                
                    Initial Tension (IT): 0.9 N   
                               
               
                    Load at L1: 4.41 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0100-04-M (100 Pcs) Extension Springs - 3x10x0.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $131.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)13.50 mm | Spring Rate0.98 N/mm | Initial Tension (IT)0.9 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 4.41 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0100-04-S4 (5 Pcs) Extension Springs - 3x10x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $9.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)13.50 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.98 N/mm    
                     
                
                    Initial Tension (IT): 0.9 N   
                               
               
                    Load at L1: 4.41 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0100-04-S4 (5 Pcs) Extension Springs - 3x10x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $9.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)12.20 mm | Spring Rate2.26 N/mm | Initial Tension (IT)1.6 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 6.47 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0100-045-M (5 Pcs) Extension Springs - 3x10x0.45 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)12.20 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 2.26 N/mm    
                     
                
                    Initial Tension (IT): 1.6 N   
                               
               
                    Load at L1: 6.47 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0100-045-M (5 Pcs) Extension Springs - 3x10x0.45 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)12.00 mm | Spring Rate3.24 N/mm | Initial Tension (IT)2.2 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 8.80 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0100-05-S4 (5 Pcs) Extension Springs - 3x10x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $9.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)12.00 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 3.24 N/mm    
                     
                
                    Initial Tension (IT): 2.2 N   
                               
               
                    Load at L1: 8.80 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0100-05-S4 (5 Pcs) Extension Springs - 3x10x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $9.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)12.00 mm | Spring Rate3.24 N/mm | Initial Tension (IT)2.2 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 8.80 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0100-05-M (5 Pcs) Extension Springs - 3x10x0.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)10 mm (Equiv. 0.394 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)12.00 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 3.24 N/mm    
                     
                
                    Initial Tension (IT): 2.2 N   
                               
               
                    Load at L1: 8.80 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0100-05-M (5 Pcs) Extension Springs - 3x10x0.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.250 mm (Equiv. 0.01 in.) | Max. Extension (L1)38.00 mm | Spring Rate0.05 N/mm | Initial Tension (IT)0.2 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 1.27 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0150-025-M (5 Pcs) Extension Springs - 3x15x0.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.250 mm (Equiv. 0.01 in.) | Max. Extension (L1)38.00 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.05 N/mm    
                     
                
                    Initial Tension (IT): 0.2 N   
                               
               
                    Load at L1: 1.27 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0150-025-M (5 Pcs) Extension Springs - 3x15x0.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.250 mm (Equiv. 0.01 in.) | Max. Extension (L1)38.00 mm | Spring Rate0.05 N/mm | Initial Tension (IT)0.2 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 1.27 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0150-025-S4 (5 Pcs) Extension Springs - 3x15x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $10.86 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.250 mm (Equiv. 0.01 in.) | Max. Extension (L1)38.00 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.05 N/mm    
                     
                
                    Initial Tension (IT): 0.2 N   
                               
               
                    Load at L1: 1.27 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0150-025-S4 (5 Pcs) Extension Springs - 3x15x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $10.86 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.300 mm (Equiv. 0.012 in.) | Max. Extension (L1)31.60 mm | Spring Rate0.12 N/mm | Initial Tension (IT)0.3 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 2.25 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0150-03-M (5 Pcs) Extension Springs - 3x15x0.3 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.300 mm (Equiv. 0.012 in.) | Max. Extension (L1)31.60 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.12 N/mm    
                     
                
                    Initial Tension (IT): 0.3 N   
                               
               
                    Load at L1: 2.25 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0150-03-M (5 Pcs) Extension Springs - 3x15x0.3 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.300 mm (Equiv. 0.012 in.) | Max. Extension (L1)31.60 mm | Spring Rate0.12 N/mm | Initial Tension (IT)0.3 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 2.25 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0150-03-S4 (5 Pcs) Extension Springs - 3x15x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $7.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.300 mm (Equiv. 0.012 in.) | Max. Extension (L1)31.60 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.12 N/mm    
                     
                
                    Initial Tension (IT): 0.3 N   
                               
               
                    Load at L1: 2.25 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0150-03-S4 (5 Pcs) Extension Springs - 3x15x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $7.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)24.10 mm | Spring Rate0.29 N/mm | Initial Tension (IT)0.7 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 3.33 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0150-035-M (5 Pcs) Extension Springs - 3x15x0.35 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)24.10 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.29 N/mm    
                     
                
                    Initial Tension (IT): 0.7 N   
                               
               
                    Load at L1: 3.33 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0150-035-M (5 Pcs) Extension Springs - 3x15x0.35 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)24.10 mm | Spring Rate0.29 N/mm | Initial Tension (IT)0.7 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 3.33 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0150-035-S4 (5 Pcs) Extension Springs - 3x15x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $8.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)24.10 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.29 N/mm    
                     
                
                    Initial Tension (IT): 0.7 N   
                               
               
                    Load at L1: 3.33 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0150-035-S4 (5 Pcs) Extension Springs - 3x15x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $8.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)21.00 mm | Spring Rate0.59 N/mm | Initial Tension (IT)0.9 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 4.41 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0150-04-M (5 Pcs) Extension Springs - 3x15x0.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)21.00 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.59 N/mm    
                     
                
                    Initial Tension (IT): 0.9 N   
                               
               
                    Load at L1: 4.41 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0150-04-M (5 Pcs) Extension Springs - 3x15x0.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)21.00 mm | Spring Rate0.59 N/mm | Initial Tension (IT)0.9 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 4.41 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0150-04-S4 (5 Pcs) Extension Springs - 3x15x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $8.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)21.00 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.59 N/mm    
                     
                
                    Initial Tension (IT): 0.9 N   
                               
               
                    Load at L1: 4.41 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0150-04-S4 (5 Pcs) Extension Springs - 3x15x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $8.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)19.50 mm | Spring Rate1.08 N/mm | Initial Tension (IT)1.6 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 6.47 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0150-045-M (5 Pcs) Extension Springs - 3x15x0.45 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)19.50 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 1.08 N/mm    
                     
                
                    Initial Tension (IT): 1.6 N   
                               
               
                    Load at L1: 6.47 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0150-045-M (5 Pcs) Extension Springs - 3x15x0.45 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)18.70 mm | Spring Rate1.77 N/mm | Initial Tension (IT)2.2 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 8.80 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0150-05-S4 (5 Pcs) Extension Springs - 3x15x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $9.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)18.70 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 1.77 N/mm    
                     
                
                    Initial Tension (IT): 2.2 N   
                               
               
                    Load at L1: 8.80 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0300-0150-05-S4 (5 Pcs) Extension Springs - 3x15x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $9.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)18.70 mm | Spring Rate1.77 N/mm | Initial Tension (IT)2.2 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 8.80 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0150-05-M (100 Pcs) Extension Springs - 3x15x0.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $131.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)18.70 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 1.77 N/mm    
                     
                
                    Initial Tension (IT): 2.2 N   
                               
               
                    Load at L1: 8.80 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0150-05-M (100 Pcs) Extension Springs - 3x15x0.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $131.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)19.2 mm (Equiv. 0.756 in.) | Wire Diameter (d)0.63 mm (Equiv. 0.025 in.) | Max. Extension (L1)23.82 mm | Spring Rate4.01 N/mm | Initial Tension (IT)3.5 N |   | 
| Material: Stainless Steel 302/304 (Similar to A2, 18-8)   
                     
                
                    Load at L1: 21.83 N Category: Springs - Extension - Stainless Steel Deleted Item. Available while stocks last. | ||||||
| 
                    Part Number:  ES-0300-0192-06-S2 Extension Springs - 3x19.2x0.63 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring 2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
          
            $22.00 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)19.2 mm (Equiv. 0.756 in.) | Wire Diameter (d)0.63 mm (Equiv. 0.025 in.) | Max. Extension (L1)23.82 mm |   | ||
| Material: Stainless Steel 302/304 (Similar to A2, 18-8)   
                    
                
                    Spring Rate: 4.01 N/mm    
                     
                
                    Initial Tension (IT): 3.5 N   
                               
               
                    Load at L1: 21.83 N Category: Springs - Extension - Stainless Steel Deleted Item. Available while stocks last. | ||||||
| 
                    Part Number:  ES-0300-0192-06-S2 Extension Springs - 3x19.2x0.63 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring 2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
          
            $22.00 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.250 mm (Equiv. 0.01 in.) | Max. Extension (L1)55.90 mm | Spring Rate0.03 N/mm | Initial Tension (IT)0.2 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 1.27 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0200-025-M (5 Pcs) Extension Springs - 3x20x0.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.00 mm (Equiv. 0.118 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.250 mm (Equiv. 0.01 in.) | Max. Extension (L1)55.90 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.03 N/mm    
                     
                
                    Initial Tension (IT): 0.2 N   
                               
               
                    Load at L1: 1.27 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0300-0200-025-M (5 Pcs) Extension Springs - 3x20x0.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 07, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
 
               
        
      






















