Springs - Extension - Stainless Steel

Springs -> Extension -> Stainless Steel

There are 453 products in the sub-categories of Springs - Extension - Stainless Steel. Scroll down or follow the link to Springs - Extension - Stainless Steel in the products table to see all these items combined into a handy table with filters.

Category Details

A selection of Stainless Steel Extension Springs. 300 gradd stainless steel selection, including 303, 304 and 316.

  • 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.
  • 302 Stainless springs not recommended for applications exceeding 260 Deg C (500 Deg F).
  • 302 stainless steel is slightly magnetic.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Springs - Extension - Stainless Steel category on the Small Parts & Bearings online store.
OD (D0) Approx. Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Spring Rate Initial Tension (IT) Indicative
Image
Extension Springs - 3x10x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
10
mm
Wire Diameter (d)
0.250
mm
Max. Extension (L1)
20.40
mm
Spring Rate
0.11
N/mm
Initial Tension (IT)
0.2
N
Extension Springs - 3x10x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 1.27 N   
Part Number: ES-0300-0100-025-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$7.14 AUD
$8.56 AUD $7.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
OD (D0) Approx. Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
Extension Springs - 3x10x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
10
mm
Wire Diameter (d)
0.250
mm
Max. Extension (L1)
20.40
mm
Extension Springs - 3x10x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.11 N/mm    Initial Tension (IT): 0.2 N    Load at L1: 1.27 N   
Part Number: ES-0300-0100-025-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$7.14 AUD
$8.56 AUD $7.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x10x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
10
mm
Wire Diameter (d)
0.300
mm
Max. Extension (L1)
18.70
mm
Spring Rate
0.23
N/mm
Initial Tension (IT)
0.3
N
Extension Springs - 3x10x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 2.25 N   
Part Number: ES-0300-0100-03-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$7.14 AUD
$8.56 AUD $7.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x10x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
10
mm
Wire Diameter (d)
0.300
mm
Max. Extension (L1)
18.70
mm
Extension Springs - 3x10x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.23 N/mm    Initial Tension (IT): 0.3 N    Load at L1: 2.25 N   
Part Number: ES-0300-0100-03-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$7.14 AUD
$8.56 AUD $7.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x10x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
10
mm
Wire Diameter (d)
0.350
mm
Max. Extension (L1)
14.60
mm
Spring Rate
0.59
N/mm
Initial Tension (IT)
0.7
N
Extension Springs - 3x10x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 3.33 N   
Part Number: ES-0300-0100-035-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$7.14 AUD
$8.56 AUD $7.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x10x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
10
mm
Wire Diameter (d)
0.350
mm
Max. Extension (L1)
14.60
mm
Extension Springs - 3x10x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.59 N/mm    Initial Tension (IT): 0.7 N    Load at L1: 3.33 N   
Part Number: ES-0300-0100-035-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$7.14 AUD
$8.56 AUD $7.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x10x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
10
mm
Wire Diameter (d)
0.400
mm
Max. Extension (L1)
13.50
mm
Spring Rate
0.98
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 3x10x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 4.41 N   
Part Number: ES-0300-0100-04-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$8.77 AUD
$10.53 AUD $8.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x10x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
10
mm
Wire Diameter (d)
0.400
mm
Max. Extension (L1)
13.50
mm
Extension Springs - 3x10x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.98 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 4.41 N   
Part Number: ES-0300-0100-04-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$8.77 AUD
$10.53 AUD $8.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x10x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
10
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
12.00
mm
Spring Rate
3.24
N/mm
Initial Tension (IT)
2.2
N
Extension Springs - 3x10x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 8.80 N   
Part Number: ES-0300-0100-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$8.77 AUD
$10.53 AUD $8.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x10x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
10
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
12.00
mm
Extension Springs - 3x10x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 3.24 N/mm    Initial Tension (IT): 2.2 N    Load at L1: 8.80 N   
Part Number: ES-0300-0100-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$8.77 AUD
$10.53 AUD $8.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x15x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
15
mm
Wire Diameter (d)
0.250
mm
Max. Extension (L1)
38.00
mm
Spring Rate
0.05
N/mm
Initial Tension (IT)
0.2
N
Extension Springs - 3x15x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 1.27 N   
Part Number: ES-0300-0150-025-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$10.14 AUD
$12.16 AUD $10.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x15x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
15
mm
Wire Diameter (d)
0.250
mm
Max. Extension (L1)
38.00
mm
Extension Springs - 3x15x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.05 N/mm    Initial Tension (IT): 0.2 N    Load at L1: 1.27 N   
Part Number: ES-0300-0150-025-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$10.14 AUD
$12.16 AUD $10.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x15x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
15
mm
Wire Diameter (d)
0.300
mm
Max. Extension (L1)
31.60
mm
Spring Rate
0.12
N/mm
Initial Tension (IT)
0.3
N
Extension Springs - 3x15x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 2.25 N   
Part Number: ES-0300-0150-03-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$7.32 AUD
$8.78 AUD $7.32 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x15x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
15
mm
Wire Diameter (d)
0.300
mm
Max. Extension (L1)
31.60
mm
Extension Springs - 3x15x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.12 N/mm    Initial Tension (IT): 0.3 N    Load at L1: 2.25 N   
Part Number: ES-0300-0150-03-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$7.32 AUD
$8.78 AUD $7.32 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x15x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
15
mm
Wire Diameter (d)
0.350
mm
Max. Extension (L1)
24.10
mm
Spring Rate
0.29
N/mm
Initial Tension (IT)
0.7
N
Extension Springs - 3x15x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 3.33 N   
Part Number: ES-0300-0150-035-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$8.23 AUD
$9.87 AUD $8.23 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x15x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
15
mm
Wire Diameter (d)
0.350
mm
Max. Extension (L1)
24.10
mm
Extension Springs - 3x15x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.29 N/mm    Initial Tension (IT): 0.7 N    Load at L1: 3.33 N   
Part Number: ES-0300-0150-035-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$8.23 AUD
$9.87 AUD $8.23 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x15x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
15
mm
Wire Diameter (d)
0.400
mm
Max. Extension (L1)
21.00
mm
Spring Rate
0.59
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 3x15x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 4.41 N   
Part Number: ES-0300-0150-04-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$8.23 AUD
$9.87 AUD $8.23 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x15x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
15
mm
Wire Diameter (d)
0.400
mm
Max. Extension (L1)
21.00
mm
Extension Springs - 3x15x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.59 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 4.41 N   
Part Number: ES-0300-0150-04-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$8.23 AUD
$9.87 AUD $8.23 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x15x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
15
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
18.70
mm
Spring Rate
1.77
N/mm
Initial Tension (IT)
2.2
N
Extension Springs - 3x15x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 8.80 N   
Part Number: ES-0300-0150-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$9.14 AUD
$10.96 AUD $9.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x15x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
15
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
18.70
mm
Extension Springs - 3x15x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 1.77 N/mm    Initial Tension (IT): 2.2 N    Load at L1: 8.80 N   
Part Number: ES-0300-0150-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$9.14 AUD
$10.96 AUD $9.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x19.2x0.63 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
19.2
mm
Wire Diameter (d)
0.63
mm
Max. Extension (L1)
23.82
mm
Spring Rate
4.01
N/mm
Initial Tension (IT)
3.5
N
Extension Springs - 3x19.2x0.63 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2 or 18-8)    Load at L1: 21.83 N   
Deleted Item. Available while stocks last.
Part Number: ES-0300-0192-06-S2 (Each)
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
$22.00 AUD
$41.80 AUD $22.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Extension Springs - 3x19.2x0.63 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
19.2
mm
Wire Diameter (d)
0.63
mm
Max. Extension (L1)
23.82
mm
Extension Springs - 3x19.2x0.63 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2 or 18-8)    Spring Rate: 4.01 N/mm    Initial Tension (IT): 3.5 N    Load at L1: 21.83 N   
Deleted Item. Available while stocks last.
Part Number: ES-0300-0192-06-S2 (Each)
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
$22.00 AUD
$41.80 AUD $22.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Extension Springs - 3x20x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
20
mm
Wire Diameter (d)
0.250
mm
Max. Extension (L1)
55.90
mm
Spring Rate
0.03
N/mm
Initial Tension (IT)
0.2
N
Extension Springs - 3x20x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 1.27 N   
Part Number: ES-0300-0200-025-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$8.32 AUD
$9.98 AUD $8.32 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x20x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
20
mm
Wire Diameter (d)
0.250
mm
Max. Extension (L1)
55.90
mm
Extension Springs - 3x20x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.03 N/mm    Initial Tension (IT): 0.2 N    Load at L1: 1.27 N   
Part Number: ES-0300-0200-025-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$8.32 AUD
$9.98 AUD $8.32 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x20x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
20
mm
Wire Diameter (d)
0.300
mm
Max. Extension (L1)
45.00
mm
Spring Rate
0.08
N/mm
Initial Tension (IT)
0.3
N
Extension Springs - 3x20x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 2.25 N   
Part Number: ES-0300-0200-03-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$9.77 AUD
$11.73 AUD $9.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x20x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
20
mm
Wire Diameter (d)
0.300
mm
Max. Extension (L1)
45.00
mm
Extension Springs - 3x20x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.08 N/mm    Initial Tension (IT): 0.3 N    Load at L1: 2.25 N   
Part Number: ES-0300-0200-03-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$9.77 AUD
$11.73 AUD $9.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x20x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
20
mm
Wire Diameter (d)
0.400
mm
Max. Extension (L1)
29.00
mm
Spring Rate
0.39
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 3x20x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 4.41 N   
Part Number: ES-0300-0200-04-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$8.23 AUD
$9.87 AUD $8.23 AUD
Priced, Stocked and Sold Per 5 Units
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Quantity Required

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Extension Springs - 3x20x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
20
mm
Wire Diameter (d)
0.400
mm
Max. Extension (L1)
29.00
mm
Extension Springs - 3x20x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.39 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 4.41 N   
Part Number: ES-0300-0200-04-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$8.23 AUD
$9.87 AUD $8.23 AUD
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Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x25x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
25
mm
Wire Diameter (d)
0.250
mm
Max. Extension (L1)
72.90
mm
Spring Rate
0.02
N/mm
Initial Tension (IT)
0.2
N
Extension Springs - 3x25x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 1.27 N   
Part Number: ES-0300-0250-025-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$10.68 AUD
$12.82 AUD $10.68 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x25x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
25
mm
Wire Diameter (d)
0.250
mm
Max. Extension (L1)
72.90
mm
Extension Springs - 3x25x0.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.02 N/mm    Initial Tension (IT): 0.2 N    Load at L1: 1.27 N   
Part Number: ES-0300-0250-025-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$10.68 AUD
$12.82 AUD $10.68 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x25x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
25
mm
Wire Diameter (d)
0.300
mm
Max. Extension (L1)
58.30
mm
Spring Rate
0.06
N/mm
Initial Tension (IT)
0.3
N
Extension Springs - 3x25x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 2.25 N   
Part Number: ES-0300-0250-03-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$10.59 AUD
$12.71 AUD $10.59 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x25x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
25
mm
Wire Diameter (d)
0.300
mm
Max. Extension (L1)
58.30
mm
Extension Springs - 3x25x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.06 N/mm    Initial Tension (IT): 0.3 N    Load at L1: 2.25 N   
Part Number: ES-0300-0250-03-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$10.59 AUD
$12.71 AUD $10.59 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x25x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
25
mm
Wire Diameter (d)
0.350
mm
Max. Extension (L1)
44.50
mm
Spring Rate
0.14
N/mm
Initial Tension (IT)
0.7
N
Extension Springs - 3x25x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 3.33 N   
Part Number: ES-0300-0250-035-S4 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$103.41 AUD
$124.09 AUD $103.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x25x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
25
mm
Wire Diameter (d)
0.350
mm
Max. Extension (L1)
44.50
mm
Extension Springs - 3x25x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.14 N/mm    Initial Tension (IT): 0.7 N    Load at L1: 3.33 N   
Part Number: ES-0300-0250-035-S4 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$103.41 AUD
$124.09 AUD $103.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x25x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
25
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
31.80
mm
Spring Rate
0.98
N/mm
Initial Tension (IT)
2.2
N
Extension Springs - 3x25x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 8.80 N   
Part Number: ES-0300-0250-05-S4 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$103.41 AUD
$124.09 AUD $103.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3x25x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
3.00
mm
Approx. Overall Length (L0)
25
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
31.80
mm
Extension Springs - 3x25x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.98 N/mm    Initial Tension (IT): 2.2 N    Load at L1: 8.80 N   
Part Number: ES-0300-0250-05-S4 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$103.41 AUD
$124.09 AUD $103.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3.05x19.1x0.46 mm Music Wire - Steel Spring
OD (D0)
3.05
mm
Approx. Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.46
mm
Max. Extension (L1)
30.230
mm
Spring Rate
0.823
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 3.05x19.1x0.46 mm - Steel
Material: Steel    Load at L1: 9.790 N    End Type: Closed - Full Loop   
Part Number: ES-0305-0191-05-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
$5.41 AUD
$10.19 AUD $5.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3.05x19.1x0.46 mm Music Wire - Steel Spring
OD (D0)
3.05
mm
Approx. Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.46
mm
Max. Extension (L1)
30.230
mm
Extension Springs - 3.05x19.1x0.46 mm - Steel
Material: Steel    Spring Rate: 0.823 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 9.790 N    End Type: Closed - Full Loop   
Part Number: ES-0305-0191-05-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
$5.41 AUD
$10.19 AUD $5.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3.05x25.4x0.36 mm Music Wire - Steel Spring
OD (D0)
3.05
mm
Approx. Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.36
mm
Max. Extension (L1)
56.640
mm
Spring Rate
0.140
N/mm
Initial Tension (IT)
0.4
N
Extension Springs - 3.05x25.4x0.36 mm - Steel
Material: Steel    Load at L1: 4.980 N    End Type: Closed - Full Loop   
Part Number: ES-0305-0254-04-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
$5.32 AUD
$10.12 AUD $5.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3.05x25.4x0.36 mm Music Wire - Steel Spring
OD (D0)
3.05
mm
Approx. Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.36
mm
Max. Extension (L1)
56.640
mm
Extension Springs - 3.05x25.4x0.36 mm - Steel
Material: Steel    Spring Rate: 0.140 N/mm    Initial Tension (IT): 0.4 N    Load at L1: 4.980 N    End Type: Closed - Full Loop   
Part Number: ES-0305-0254-04-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
$5.32 AUD
$10.12 AUD $5.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3.05x38.1x0.36 mm Music Wire - Steel Spring
OD (D0)
3.05
mm
Approx. Overall Length (L0)
38.1
mm
Wire Diameter (d)
0.36
mm
Max. Extension (L1)
89.150
mm
Spring Rate
0.088
N/mm
Initial Tension (IT)
0.4
N
Extension Springs - 3.05x38.1x0.36 mm - Steel
Material: Steel    Load at L1: 4.980 N    End Type: Closed - Full Loop   
Part Number: ES-0305-0381-04-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
$5.68 AUD
$10.66 AUD $5.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3.05x38.1x0.36 mm Music Wire - Steel Spring
OD (D0)
3.05
mm
Approx. Overall Length (L0)
38.1
mm
Wire Diameter (d)
0.36
mm
Max. Extension (L1)
89.150
mm
Extension Springs - 3.05x38.1x0.36 mm - Steel
Material: Steel    Spring Rate: 0.088 N/mm    Initial Tension (IT): 0.4 N    Load at L1: 4.980 N    End Type: Closed - Full Loop   
Part Number: ES-0305-0381-04-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
$5.68 AUD
$10.66 AUD $5.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3.18x508x0.33 mm - Stainless Steel Spring
OD (D0)
3.18
mm
Approx. Overall Length (L0)
508.0
mm
Wire Diameter (d)
0.33
mm
Spring Rate
0.06
N/mm
Initial Tension (IT)
0.1
N
Extension Springs - 3.18x508x0.33 mm - Stainless Steel
Material: Stainless Steel   
Part Number: ES-0318-5080-03-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$26.14 AUD
$31.36 AUD $26.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3.18x508x0.33 mm - Stainless Steel Spring
OD (D0)
3.18
mm
Approx. Overall Length (L0)
508.0
mm
Wire Diameter (d)
0.33
mm
Extension Springs - 3.18x508x0.33 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 0.06 N/mm    Initial Tension (IT): 0.1 N   
Part Number: ES-0318-5080-03-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$26.14 AUD
$31.36 AUD $26.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3.18x508x0.43 mm - Stainless Steel Spring
OD (D0)
3.18
mm
Approx. Overall Length (L0)
508.0
mm
Wire Diameter (d)
0.43
mm
Spring Rate
0.25
N/mm
Initial Tension (IT)
0.3
N
Extension Springs - 3.18x508x0.43 mm - Stainless Steel
Material: Stainless Steel   
Part Number: ES-0318-5080-04-S2 (Each)
1 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$39.05 AUD
$74.80 AUD $39.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Extension Springs - 3.18x508x0.43 mm - Stainless Steel Spring
OD (D0)
3.18
mm
Approx. Overall Length (L0)
508.0
mm
Wire Diameter (d)
0.43
mm
Extension Springs - 3.18x508x0.43 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 0.25 N/mm    Initial Tension (IT): 0.3 N   
Part Number: ES-0318-5080-04-S2 (Each)
1 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$39.05 AUD
$74.80 AUD $39.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
Extension Springs - 3.18x508x0.51 mm - Stainless Steel Spring
OD (D0)
3.18
mm
Approx. Overall Length (L0)
508.0
mm
Wire Diameter (d)
0.51
mm
Spring Rate
0.61
N/mm
Initial Tension (IT)
0.6
N
Extension Springs - 3.18x508x0.51 mm - Stainless Steel
Material: Stainless Steel   
Part Number: ES-0318-5080-05-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$33.32 AUD
$39.98 AUD $33.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 3.18x508x0.51 mm - Stainless Steel Spring
OD (D0)
3.18
mm
Approx. Overall Length (L0)
508.0
mm
Wire Diameter (d)
0.51
mm
Extension Springs - 3.18x508x0.51 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 0.61 N/mm    Initial Tension (IT): 0.6 N   
Part Number: ES-0318-5080-05-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$33.32 AUD
$39.98 AUD $33.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.