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)
Extension Springs - 3x10x0.25 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 1.27 N
Part Number: ES-0300-0100-025-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units 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
Extension Springs - 3x10x0.25 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 10 mm	Wire Diameter (d) 0.250 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0100-025-M (PK-5) --- Extension Springs - 3x10x0.25 mm Music Wire - Steel Spring Sale ES-0300-0100-025-M (PK-5) --- Extension Springs - 3x10x0.25 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x10x0.3 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 2.25 N
Part Number: ES-0300-0100-03-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x10x0.3 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 10 mm	Wire Diameter (d) 0.300 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0100-03-M (PK-5) --- Extension Springs - 3x10x0.3 mm Music Wire - Steel Spring Sale ES-0300-0100-03-M (PK-5) --- Extension Springs - 3x10x0.3 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x10x0.35 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 3.33 N
Part Number: ES-0300-0100-035-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x10x0.35 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 10 mm	Wire Diameter (d) 0.350 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0100-035-M (PK-5) --- Extension Springs - 3x10x0.35 mm Music Wire - Steel Spring Sale ES-0300-0100-035-M (PK-5) --- Extension Springs - 3x10x0.35 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x10x0.4 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 4.41 N
Part Number: ES-0300-0100-04-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x10x0.4 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 10 mm	Wire Diameter (d) 0.400 mm	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 (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0100-04-M (PK-100) --- Extension Springs - 3x10x0.4 mm Music Wire - Steel Spring Sale ES-0300-0100-04-M (PK-100) --- Extension Springs - 3x10x0.4 mm Music Wire - Steel Spring Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x10x0.45 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 10 mm	Wire Diameter (d) 0.450 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x10x0.45 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 10 mm	Wire Diameter (d) 0.450 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0100-045-M (PK-5) --- Extension Springs - 3x10x0.45 mm Music Wire - Steel Spring Sale ES-0300-0100-045-M (PK-5) --- Extension Springs - 3x10x0.45 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x10x0.5 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 8.80 N
Part Number: ES-0300-0100-05-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x10x0.5 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 10 mm	Wire Diameter (d) 0.500 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0100-05-M (PK-5) --- Extension Springs - 3x10x0.5 mm Music Wire - Steel Spring Sale ES-0300-0100-05-M (PK-5) --- Extension Springs - 3x10x0.5 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x15x0.25 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 1.27 N
Part Number: ES-0300-0150-025-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x15x0.25 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 15 mm	Wire Diameter (d) 0.250 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0150-025-M (PK-5) --- Extension Springs - 3x15x0.25 mm Music Wire - Steel Spring Sale ES-0300-0150-025-M (PK-5) --- Extension Springs - 3x15x0.25 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x15x0.3 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 2.25 N
Part Number: ES-0300-0150-03-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x15x0.3 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 15 mm	Wire Diameter (d) 0.300 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0150-03-M (PK-5) --- Extension Springs - 3x15x0.3 mm Music Wire - Steel Spring Sale ES-0300-0150-03-M (PK-5) --- Extension Springs - 3x15x0.3 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x15x0.35 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 3.33 N
Part Number: ES-0300-0150-035-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x15x0.35 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 15 mm	Wire Diameter (d) 0.350 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0150-035-M (PK-5) --- Extension Springs - 3x15x0.35 mm Music Wire - Steel Spring Sale ES-0300-0150-035-M (PK-5) --- Extension Springs - 3x15x0.35 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x15x0.4 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 4.41 N
Part Number: ES-0300-0150-04-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x15x0.4 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 15 mm	Wire Diameter (d) 0.400 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0150-04-M (PK-5) --- Extension Springs - 3x15x0.4 mm Music Wire - Steel Spring Sale ES-0300-0150-04-M (PK-5) --- Extension Springs - 3x15x0.4 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x15x0.45 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 15 mm	Wire Diameter (d) 0.450 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x15x0.45 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 15 mm	Wire Diameter (d) 0.450 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0150-045-M (PK-5) --- Extension Springs - 3x15x0.45 mm Music Wire - Steel Spring Sale ES-0300-0150-045-M (PK-5) --- Extension Springs - 3x15x0.45 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x15x0.5 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 8.80 N
Part Number: ES-0300-0150-05-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x15x0.5 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 15 mm	Wire Diameter (d) 0.500 mm	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 (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0150-05-M (PK-100) --- Extension Springs - 3x15x0.5 mm Music Wire - Steel Spring Sale ES-0300-0150-05-M (PK-100) --- Extension Springs - 3x15x0.5 mm Music Wire - Steel Spring Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x20x0.25 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 1.27 N
Part Number: ES-0300-0200-025-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x20x0.25 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 20 mm	Wire Diameter (d) 0.250 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0200-025-M (PK-5) --- Extension Springs - 3x20x0.25 mm Music Wire - Steel Spring Sale ES-0300-0200-025-M (PK-5) --- Extension Springs - 3x20x0.25 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x20x0.3 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 2.25 N
Part Number: ES-0300-0200-03-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x20x0.3 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 20 mm	Wire Diameter (d) 0.300 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0200-03-M (PK-5) --- Extension Springs - 3x20x0.3 mm Music Wire - Steel Spring Sale ES-0300-0200-03-M (PK-5) --- Extension Springs - 3x20x0.3 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x20x0.4 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 4.41 N
Part Number: ES-0300-0200-04-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.50 AUD Regular price ~~$13.41 AUD~~ Sale price $6.50 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x20x0.4 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 20 mm	Wire Diameter (d) 0.400 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.50 AUD Regular price ~~$13.41 AUD~~ Sale price $6.50 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0200-04-M (PK-5) --- Extension Springs - 3x20x0.4 mm Music Wire - Steel Spring Sale ES-0300-0200-04-M (PK-5) --- Extension Springs - 3x20x0.4 mm Music Wire - Steel Spring Regular price $6.50 AUD Regular price ~~$13.41 AUD~~ Sale price $6.50 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x20x0.45 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 20 mm	Wire Diameter (d) 0.450 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x20x0.45 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 20 mm	Wire Diameter (d) 0.450 mm	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 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0200-045-M (PK-5) --- Extension Springs - 3x20x0.45 mm Music Wire - Steel Spring Sale ES-0300-0200-045-M (PK-5) --- Extension Springs - 3x20x0.45 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$13.14 AUD~~ Sale price $6.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x25x0.25 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 1.27 N
Part Number: ES-0300-0250-025-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x25x0.25 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 25 mm	Wire Diameter (d) 0.250 mm	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 (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0250-025-M (PK-100) --- Extension Springs - 3x25x0.25 mm Music Wire - Steel Spring Sale ES-0300-0250-025-M (PK-100) --- Extension Springs - 3x25x0.25 mm Music Wire - Steel Spring Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x25x0.3 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 2.25 N
Part Number: ES-0300-0250-03-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x25x0.3 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 25 mm	Wire Diameter (d) 0.300 mm	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 (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0250-03-M (PK-100) --- Extension Springs - 3x25x0.3 mm Music Wire - Steel Spring Sale ES-0300-0250-03-M (PK-100) --- Extension Springs - 3x25x0.3 mm Music Wire - Steel Spring Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x25x0.35 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 3.33 N
Part Number: ES-0300-0250-035-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x25x0.35 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 25 mm	Wire Diameter (d) 0.350 mm	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 (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0250-035-M (PK-100) --- Extension Springs - 3x25x0.35 mm Music Wire - Steel Spring Sale ES-0300-0250-035-M (PK-100) --- Extension Springs - 3x25x0.35 mm Music Wire - Steel Spring Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3x25x0.5 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	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
Material: Steel Load at L1: 8.80 N
Part Number: ES-0300-0250-05-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3x25x0.5 mm Music Wire - Steel Spring
OD (D0) 3.00 mm	Overall Length (L0) 25 mm	Wire Diameter (d) 0.500 mm	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 (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Jul 13, 2026 Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0300-0250-05-M (PK-100) --- Extension Springs - 3x25x0.5 mm Music Wire - Steel Spring Sale ES-0300-0250-05-M (PK-100) --- Extension Springs - 3x25x0.5 mm Music Wire - Steel Spring Regular price $124.23 AUD Regular price ~~$262.80 AUD~~ Sale price $124.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3.05x12.7x0.46 mm Music Wire - Steel Spring
OD (D0) 3.05 mm	Overall Length (L0) 12.7 mm	Wire Diameter (d) 0.46 mm	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 (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Aug 03, 2026 Regular price $5.41 AUD Regular price ~~$10.19 AUD~~ Sale price $5.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3.05x12.7x0.46 mm Music Wire - Steel Spring
OD (D0) 3.05 mm	Overall Length (L0) 12.7 mm	Wire Diameter (d) 0.46 mm	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 (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Aug 03, 2026 Regular price $5.41 AUD Regular price ~~$10.19 AUD~~ Sale price $5.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0305-0127-05-M (Each) --- Extension Springs - 3.05x12.7x0.46 mm Music Wire - Steel Spring Sale ES-0305-0127-05-M (Each) --- Extension Springs - 3.05x12.7x0.46 mm Music Wire - Steel Spring Regular price $5.41 AUD Regular price ~~$10.19 AUD~~ Sale price $5.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3.05x19.1x0.36 mm Music Wire - Steel Spring
OD (D0) 3.05 mm	Overall Length (L0) 19.1 mm	Wire Diameter (d) 0.36 mm	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 (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Aug 03, 2026 Regular price $5.32 AUD Regular price ~~$10.01 AUD~~ Sale price $5.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3.05x19.1x0.36 mm Music Wire - Steel Spring
OD (D0) 3.05 mm	Overall Length (L0) 19.1 mm	Wire Diameter (d) 0.36 mm	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 (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Aug 03, 2026 Regular price $5.32 AUD Regular price ~~$10.01 AUD~~ Sale price $5.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0305-0191-04-M (Each) --- Extension Springs - 3.05x19.1x0.36 mm Music Wire - Steel Spring Sale ES-0305-0191-04-M (Each) --- Extension Springs - 3.05x19.1x0.36 mm Music Wire - Steel Spring Regular price $5.32 AUD Regular price ~~$10.01 AUD~~ Sale price $5.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3.05x19.1x0.46 mm Music Wire - Steel Spring
OD (D0) 3.05 mm	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
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 Mon, Aug 03, 2026 Regular price $5.41 AUD Regular price ~~$10.19 AUD~~ Sale price $5.41 AUD Unit price per 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	Overall Length (L0) 19.1 mm	Wire Diameter (d) 0.46 mm	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 (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Aug 03, 2026 Regular price $5.41 AUD Regular price ~~$10.19 AUD~~ Sale price $5.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0305-0191-05-M (Each) --- Extension Springs - 3.05x19.1x0.46 mm Music Wire - Steel Spring Sale ES-0305-0191-05-M (Each) --- Extension Springs - 3.05x19.1x0.46 mm Music Wire - Steel Spring Regular price $5.41 AUD Regular price ~~$10.19 AUD~~ Sale price $5.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 3.05x19.1x0.56 mm Music Wire - Steel Spring
OD (D0) 3.05 mm	Overall Length (L0) 19.1 mm	Wire Diameter (d) 0.56 mm	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 (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Aug 03, 2026 Regular price $5.59 AUD Regular price ~~$10.48 AUD~~ Sale price $5.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 3.05x19.1x0.56 mm Music Wire - Steel Spring
OD (D0) 3.05 mm	Overall Length (L0) 19.1 mm	Wire Diameter (d) 0.56 mm	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 (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Mon, Aug 03, 2026 Regular price $5.59 AUD Regular price ~~$10.48 AUD~~ Sale price $5.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0305-0191-06-M (Each) --- Extension Springs - 3.05x19.1x0.56 mm Music Wire - Steel Spring Sale ES-0305-0191-06-M (Each) --- Extension Springs - 3.05x19.1x0.56 mm Music Wire - Steel Spring Regular price $5.59 AUD Regular price ~~$10.48 AUD~~ Sale price $5.59 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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