Collection: Springs - Extension - Music Wire

Springs -> Extension -> Music Wire

There are 894 products in the sub-categories of Springs - Extension - Music Wire. Scroll down or follow the link to Springs - Extension - Music Wire in the products table to see all these items combined into a handy table with filters.

Category Details

A selection of Music Wire Extension Springs. Carbon spring steel, zinc plated selection.

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.
Zinc Plated Spring Steel not recommended for applications exceeding 121 Deg C (250 Deg F).

Miniature Bearings Australia - MBA Minibearings

Additional resources:

A more concise listing may be found in the Springs - Extension - Music Wire category on the Small Parts & Bearings online store.

OD (D0)	Overall Length (L0)	Wire Diameter (d)	Max. Extension (L1)	Spring Rate	Initial Tension (IT)
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 Rate 0.11 N/mm	Initial Tension (IT) 0.2 N
Material: Steel Load at L1: 1.27 N
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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: Steel Spring Rate: 0.11 N/mm Initial Tension (IT): 0.2 N Load at L1: 1.27 N
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0100-025-M (5 Pcs) --- Extension Springs - 3x10x0.25 mm Music Wire - Steel Spring Sale ES-0300-0100-025-M (5 Pcs) --- Extension Springs - 3x10x0.25 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Rate 0.23 N/mm	Initial Tension (IT) 0.3 N
Material: Steel Load at L1: 2.25 N
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0100-03-M (5 Pcs) --- Extension Springs - 3x10x0.3 mm Music Wire - Steel Spring Sale ES-0300-0100-03-M (5 Pcs) --- Extension Springs - 3x10x0.3 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Rate 0.59 N/mm	Initial Tension (IT) 0.7 N
Material: Steel Load at L1: 3.33 N
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0100-035-M (5 Pcs) --- Extension Springs - 3x10x0.35 mm Music Wire - Steel Spring Sale ES-0300-0100-035-M (5 Pcs) --- Extension Springs - 3x10x0.35 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Rate 0.98 N/mm	Initial Tension (IT) 0.9 N
Material: Steel Load at L1: 4.41 N
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 ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0100-04-M (100 Pcs) --- Extension Springs - 3x10x0.4 mm Music Wire - Steel Spring Sale ES-0300-0100-04-M (100 Pcs) --- Extension Springs - 3x10x0.4 mm Music Wire - Steel Spring Regular price $131.59 AUD Regular price ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Rate 2.26 N/mm	Initial Tension (IT) 1.6 N
Material: Steel Load at L1: 6.47 N
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0100-045-M (5 Pcs) --- Extension Springs - 3x10x0.45 mm Music Wire - Steel Spring Sale ES-0300-0100-045-M (5 Pcs) --- Extension Springs - 3x10x0.45 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Rate 3.24 N/mm	Initial Tension (IT) 2.2 N
Material: Steel Load at L1: 8.80 N
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0100-05-M (5 Pcs) --- Extension Springs - 3x10x0.5 mm Music Wire - Steel Spring Sale ES-0300-0100-05-M (5 Pcs) --- Extension Springs - 3x10x0.5 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Rate 0.05 N/mm	Initial Tension (IT) 0.2 N
Material: Steel Load at L1: 1.27 N
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0150-025-M (5 Pcs) --- Extension Springs - 3x15x0.25 mm Music Wire - Steel Spring Sale ES-0300-0150-025-M (5 Pcs) --- Extension Springs - 3x15x0.25 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Rate 0.12 N/mm	Initial Tension (IT) 0.3 N
Material: Steel Load at L1: 2.25 N
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0150-03-M (5 Pcs) --- Extension Springs - 3x15x0.3 mm Music Wire - Steel Spring Sale ES-0300-0150-03-M (5 Pcs) --- Extension Springs - 3x15x0.3 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Rate 0.29 N/mm	Initial Tension (IT) 0.7 N
Material: Steel Load at L1: 3.33 N
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0150-035-M (5 Pcs) --- Extension Springs - 3x15x0.35 mm Music Wire - Steel Spring Sale ES-0300-0150-035-M (5 Pcs) --- Extension Springs - 3x15x0.35 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Rate 0.59 N/mm	Initial Tension (IT) 0.9 N
Material: Steel Load at L1: 4.41 N
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0150-04-M (5 Pcs) --- Extension Springs - 3x15x0.4 mm Music Wire - Steel Spring Sale ES-0300-0150-04-M (5 Pcs) --- Extension Springs - 3x15x0.4 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Rate 1.08 N/mm	Initial Tension (IT) 1.6 N
Material: Steel Load at L1: 6.47 N
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0150-045-M (5 Pcs) --- Extension Springs - 3x15x0.45 mm Music Wire - Steel Spring Sale ES-0300-0150-045-M (5 Pcs) --- Extension Springs - 3x15x0.45 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Rate 1.77 N/mm	Initial Tension (IT) 2.2 N
Material: Steel Load at L1: 8.80 N
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 ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0150-05-M (100 Pcs) --- Extension Springs - 3x15x0.5 mm Music Wire - Steel Spring Sale ES-0300-0150-05-M (100 Pcs) --- Extension Springs - 3x15x0.5 mm Music Wire - Steel Spring Regular price $131.59 AUD Regular price ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 Rate 0.03 N/mm	Initial Tension (IT) 0.2 N
Material: Steel Load at L1: 1.27 N
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0200-025-M (5 Pcs) --- Extension Springs - 3x20x0.25 mm Music Wire - Steel Spring Sale ES-0300-0200-025-M (5 Pcs) --- Extension Springs - 3x20x0.25 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 20 mm (Equiv. 0.787 in.)	Wire Diameter (d) 0.300 mm (Equiv. 0.012 in.)	Max. Extension (L1) 45.00 mm	Spring Rate 0.08 N/mm	Initial Tension (IT) 0.3 N
Material: Steel Load at L1: 2.25 N
Part Number: ES-0300-0200-03-M (5 Pcs) Extension Springs - 3x20x0.3 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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 20 mm (Equiv. 0.787 in.)	Wire Diameter (d) 0.300 mm (Equiv. 0.012 in.)	Max. Extension (L1) 45.00 mm
Material: Steel Spring Rate: 0.08 N/mm Initial Tension (IT): 0.3 N Load at L1: 2.25 N
Part Number: ES-0300-0200-03-M (5 Pcs) Extension Springs - 3x20x0.3 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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0200-03-M (5 Pcs) --- Extension Springs - 3x20x0.3 mm Music Wire - Steel Spring Sale ES-0300-0200-03-M (5 Pcs) --- Extension Springs - 3x20x0.3 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 20 mm (Equiv. 0.787 in.)	Wire Diameter (d) 0.400 mm (Equiv. 0.016 in.)	Max. Extension (L1) 29.00 mm	Spring Rate 0.39 N/mm	Initial Tension (IT) 0.9 N
Material: Steel Load at L1: 4.41 N
Part Number: ES-0300-0200-04-M (5 Pcs) Extension Springs - 3x20x0.4 mm Music Wire - Steel Spring Out of Stock \| Backorder Now \| Orders can be expected around Sun, Dec 07, 2025 Regular price $6.86 AUD Regular price ~~$14.20 AUD~~ Sale price $6.86 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 20 mm (Equiv. 0.787 in.)	Wire Diameter (d) 0.400 mm (Equiv. 0.016 in.)	Max. Extension (L1) 29.00 mm
Material: Steel Spring Rate: 0.39 N/mm Initial Tension (IT): 0.9 N Load at L1: 4.41 N
Part Number: ES-0300-0200-04-M (5 Pcs) Extension Springs - 3x20x0.4 mm Music Wire - Steel Spring Out of Stock \| Backorder Now \| Orders can be expected around Sun, Dec 07, 2025 Regular price $6.86 AUD Regular price ~~$14.20 AUD~~ Sale price $6.86 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0200-04-M (5 Pcs) --- Extension Springs - 3x20x0.4 mm Music Wire - Steel Spring Sale ES-0300-0200-04-M (5 Pcs) --- Extension Springs - 3x20x0.4 mm Music Wire - Steel Spring Regular price $6.86 AUD Regular price ~~$14.20 AUD~~ Sale price $6.86 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 20 mm (Equiv. 0.787 in.)	Wire Diameter (d) 0.450 mm (Equiv. 0.018 in.)	Max. Extension (L1) 26.70 mm	Spring Rate 0.74 N/mm	Initial Tension (IT) 1.6 N
Material: Steel Load at L1: 6.47 N
Part Number: ES-0300-0200-045-M (5 Pcs) Extension Springs - 3x20x0.45 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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 20 mm (Equiv. 0.787 in.)	Wire Diameter (d) 0.450 mm (Equiv. 0.018 in.)	Max. Extension (L1) 26.70 mm
Material: Steel Spring Rate: 0.74 N/mm Initial Tension (IT): 1.6 N Load at L1: 6.47 N
Part Number: ES-0300-0200-045-M (5 Pcs) Extension Springs - 3x20x0.45 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 ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0200-045-M (5 Pcs) --- Extension Springs - 3x20x0.45 mm Music Wire - Steel Spring Sale ES-0300-0200-045-M (5 Pcs) --- Extension Springs - 3x20x0.45 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$13.91 AUD~~ Sale price $6.77 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 25 mm (Equiv. 0.984 in.)	Wire Diameter (d) 0.250 mm (Equiv. 0.01 in.)	Max. Extension (L1) 72.90 mm	Spring Rate 0.02 N/mm	Initial Tension (IT) 0.2 N
Material: Steel Load at L1: 1.27 N
Part Number: ES-0300-0250-025-M (100 Pcs) Extension Springs - 3x25x0.25 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 ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 25 mm (Equiv. 0.984 in.)	Wire Diameter (d) 0.250 mm (Equiv. 0.01 in.)	Max. Extension (L1) 72.90 mm
Material: Steel Spring Rate: 0.02 N/mm Initial Tension (IT): 0.2 N Load at L1: 1.27 N
Part Number: ES-0300-0250-025-M (100 Pcs) Extension Springs - 3x25x0.25 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 ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0250-025-M (100 Pcs) --- Extension Springs - 3x25x0.25 mm Music Wire - Steel Spring Sale ES-0300-0250-025-M (100 Pcs) --- Extension Springs - 3x25x0.25 mm Music Wire - Steel Spring Regular price $131.59 AUD Regular price ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 25 mm (Equiv. 0.984 in.)	Wire Diameter (d) 0.300 mm (Equiv. 0.012 in.)	Max. Extension (L1) 58.30 mm	Spring Rate 0.06 N/mm	Initial Tension (IT) 0.3 N
Material: Steel Load at L1: 2.25 N
Part Number: ES-0300-0250-03-M (100 Pcs) Extension Springs - 3x25x0.3 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 ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 25 mm (Equiv. 0.984 in.)	Wire Diameter (d) 0.300 mm (Equiv. 0.012 in.)	Max. Extension (L1) 58.30 mm
Material: Steel Spring Rate: 0.06 N/mm Initial Tension (IT): 0.3 N Load at L1: 2.25 N
Part Number: ES-0300-0250-03-M (100 Pcs) Extension Springs - 3x25x0.3 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 ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0250-03-M (100 Pcs) --- Extension Springs - 3x25x0.3 mm Music Wire - Steel Spring Sale ES-0300-0250-03-M (100 Pcs) --- Extension Springs - 3x25x0.3 mm Music Wire - Steel Spring Regular price $131.59 AUD Regular price ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 25 mm (Equiv. 0.984 in.)	Wire Diameter (d) 0.350 mm (Equiv. 0.014 in.)	Max. Extension (L1) 44.50 mm	Spring Rate 0.14 N/mm	Initial Tension (IT) 0.7 N
Material: Steel Load at L1: 3.33 N
Part Number: ES-0300-0250-035-M (100 Pcs) Extension Springs - 3x25x0.35 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 ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 25 mm (Equiv. 0.984 in.)	Wire Diameter (d) 0.350 mm (Equiv. 0.014 in.)	Max. Extension (L1) 44.50 mm
Material: Steel Spring Rate: 0.14 N/mm Initial Tension (IT): 0.7 N Load at L1: 3.33 N
Part Number: ES-0300-0250-035-M (100 Pcs) Extension Springs - 3x25x0.35 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 ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0250-035-M (100 Pcs) --- Extension Springs - 3x25x0.35 mm Music Wire - Steel Spring Sale ES-0300-0250-035-M (100 Pcs) --- Extension Springs - 3x25x0.35 mm Music Wire - Steel Spring Regular price $131.59 AUD Regular price ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 25 mm (Equiv. 0.984 in.)	Wire Diameter (d) 0.500 mm (Equiv. 0.02 in.)	Max. Extension (L1) 31.80 mm	Spring Rate 0.98 N/mm	Initial Tension (IT) 2.2 N
Material: Steel Load at L1: 8.80 N
Part Number: ES-0300-0250-05-M (100 Pcs) Extension Springs - 3x25x0.5 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 ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
OD (D0) 3.00 mm (Equiv. 0.118 in.)	Overall Length (L0) 25 mm (Equiv. 0.984 in.)	Wire Diameter (d) 0.500 mm (Equiv. 0.02 in.)	Max. Extension (L1) 31.80 mm
Material: Steel Spring Rate: 0.98 N/mm Initial Tension (IT): 2.2 N Load at L1: 8.80 N
Part Number: ES-0300-0250-05-M (100 Pcs) Extension Springs - 3x25x0.5 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 ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0250-05-M (100 Pcs) --- Extension Springs - 3x25x0.5 mm Music Wire - Steel Spring Sale ES-0300-0250-05-M (100 Pcs) --- Extension Springs - 3x25x0.5 mm Music Wire - Steel Spring Regular price $131.59 AUD Regular price ~~$278.28 AUD~~ Sale price $131.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
OD (D0) 3.05 mm (Equiv. 0.12 in.)	Overall Length (L0) 12.7 mm (Equiv. 0.5 in.)	Wire Diameter (d) 0.46 mm (Equiv. 0.018 in.)	Max. Extension (L1) 18.800 mm	Spring Rate 1.506 N/mm	Initial Tension (IT) 0.9 N
Material: Steel Load at L1: 9.790 N End Type: Closed - Full Loop
Part Number: ES-0305-0127-05-M Extension Springs - 3.05x12.7x0.46 mm Music Wire - Steel Spring Out of Stock \| Backorder Now \| Orders can be expected around Sun, Dec 28, 2025 Regular price $4.86 AUD Regular price ~~$9.18 AUD~~ Sale price $4.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
OD (D0) 3.05 mm (Equiv. 0.12 in.)	Overall Length (L0) 12.7 mm (Equiv. 0.5 in.)	Wire Diameter (d) 0.46 mm (Equiv. 0.018 in.)	Max. Extension (L1) 18.800 mm
Material: Steel Spring Rate: 1.506 N/mm Initial Tension (IT): 0.9 N Load at L1: 9.790 N End Type: Closed - Full Loop
Part Number: ES-0305-0127-05-M Extension Springs - 3.05x12.7x0.46 mm Music Wire - Steel Spring Out of Stock \| Backorder Now \| Orders can be expected around Sun, Dec 28, 2025 Regular price $4.86 AUD Regular price ~~$9.18 AUD~~ Sale price $4.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0305-0127-05-M --- Extension Springs - 3.05x12.7x0.46 mm Music Wire - Steel Spring Sale ES-0305-0127-05-M --- Extension Springs - 3.05x12.7x0.46 mm Music Wire - Steel Spring Regular price $4.86 AUD Regular price ~~$9.18 AUD~~ Sale price $4.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
OD (D0) 3.05 mm (Equiv. 0.12 in.)	Overall Length (L0) 19.1 mm (Equiv. 0.752 in.)	Wire Diameter (d) 0.36 mm (Equiv. 0.014 in.)	Max. Extension (L1) 40.130 mm	Spring Rate 0.210 N/mm	Initial Tension (IT) 0.4 N
Material: Steel Load at L1: 4.980 N End Type: Closed - Full Loop
Part Number: ES-0305-0191-04-M Extension Springs - 3.05x19.1x0.36 mm Music Wire - Steel Spring Out of Stock \| Backorder Now \| Orders can be expected around Sun, Dec 28, 2025 Regular price $4.77 AUD Regular price ~~$9.04 AUD~~ Sale price $4.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
OD (D0) 3.05 mm (Equiv. 0.12 in.)	Overall Length (L0) 19.1 mm (Equiv. 0.752 in.)	Wire Diameter (d) 0.36 mm (Equiv. 0.014 in.)	Max. Extension (L1) 40.130 mm
Material: Steel Spring Rate: 0.210 N/mm Initial Tension (IT): 0.4 N Load at L1: 4.980 N End Type: Closed - Full Loop
Part Number: ES-0305-0191-04-M Extension Springs - 3.05x19.1x0.36 mm Music Wire - Steel Spring Out of Stock \| Backorder Now \| Orders can be expected around Sun, Dec 28, 2025 Regular price $4.77 AUD Regular price ~~$9.04 AUD~~ Sale price $4.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0305-0191-04-M --- Extension Springs - 3.05x19.1x0.36 mm Music Wire - Steel Spring Sale ES-0305-0191-04-M --- Extension Springs - 3.05x19.1x0.36 mm Music Wire - Steel Spring Regular price $4.77 AUD Regular price ~~$9.04 AUD~~ Sale price $4.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
OD (D0) 3.05 mm (Equiv. 0.12 in.)	Overall Length (L0) 19.1 mm (Equiv. 0.752 in.)	Wire Diameter (d) 0.46 mm (Equiv. 0.018 in.)	Max. Extension (L1) 30.230 mm	Spring Rate 0.823 N/mm	Initial Tension (IT) 0.9 N
Material: Steel Load at L1: 9.790 N End Type: Closed - Full Loop
Part Number: ES-0305-0191-05-M Extension Springs - 3.05x19.1x0.46 mm Music Wire - Steel Spring Out of Stock \| Backorder Now \| Orders can be expected around Sun, Dec 28, 2025 Regular price $4.86 AUD Regular price ~~$9.18 AUD~~ Sale price $4.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
OD (D0) 3.05 mm (Equiv. 0.12 in.)	Overall Length (L0) 19.1 mm (Equiv. 0.752 in.)	Wire Diameter (d) 0.46 mm (Equiv. 0.018 in.)	Max. Extension (L1) 30.230 mm
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 Extension Springs - 3.05x19.1x0.46 mm Music Wire - Steel Spring Out of Stock \| Backorder Now \| Orders can be expected around Sun, Dec 28, 2025 Regular price $4.86 AUD Regular price ~~$9.18 AUD~~ Sale price $4.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0305-0191-05-M --- Extension Springs - 3.05x19.1x0.46 mm Music Wire - Steel Spring Sale ES-0305-0191-05-M --- Extension Springs - 3.05x19.1x0.46 mm Music Wire - Steel Spring Regular price $4.86 AUD Regular price ~~$9.18 AUD~~ Sale price $4.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
OD (D0) 3.05 mm (Equiv. 0.12 in.)	Overall Length (L0) 19.1 mm (Equiv. 0.752 in.)	Wire Diameter (d) 0.56 mm (Equiv. 0.022 in.)	Max. Extension (L1) 25.400 mm	Spring Rate 2.450 N/mm	Initial Tension (IT) 1.6 N
Material: Steel Load at L1: 17.300 N End Type: Closed - Full Loop
Part Number: ES-0305-0191-06-M Extension Springs - 3.05x19.1x0.56 mm Music Wire - Steel Spring Out of Stock \| Backorder Now \| Orders can be expected around Sun, Dec 28, 2025 Regular price $4.95 AUD Regular price ~~$9.43 AUD~~ Sale price $4.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
OD (D0) 3.05 mm (Equiv. 0.12 in.)	Overall Length (L0) 19.1 mm (Equiv. 0.752 in.)	Wire Diameter (d) 0.56 mm (Equiv. 0.022 in.)	Max. Extension (L1) 25.400 mm
Material: Steel Spring Rate: 2.450 N/mm Initial Tension (IT): 1.6 N Load at L1: 17.300 N End Type: Closed - Full Loop
Part Number: ES-0305-0191-06-M Extension Springs - 3.05x19.1x0.56 mm Music Wire - Steel Spring Out of Stock \| Backorder Now \| Orders can be expected around Sun, Dec 28, 2025 Regular price $4.95 AUD Regular price ~~$9.43 AUD~~ Sale price $4.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0305-0191-06-M --- Extension Springs - 3.05x19.1x0.56 mm Music Wire - Steel Spring Sale ES-0305-0191-06-M --- Extension Springs - 3.05x19.1x0.56 mm Music Wire - Steel Spring Regular price $4.95 AUD Regular price ~~$9.43 AUD~~ Sale price $4.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale

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Miniature Bearings Australia

Collection: Springs - Extension - Music Wire

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