Springs - Extension– Page7 – Miniature Bearings Australia - MBA Minibearings - Online, Pick-Up, Retail, Distributors, Wholesale

OD (D0)	Overall Length (L0)	Wire Diameter (d)	Max. Extension (L1)	Spring Rate	Initial Tension (IT)
Extension Springs - 4.57x38.1x0.71 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 0.71 mm	Max. Extension (L1) 56.900 mm	Spring Rate 1.243 N/mm	Initial Tension (IT) 2.3 N
Material: Steel Load at L1: 25.890 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0381-07-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.59 AUD Regular price ~~$12.53 AUD~~ Sale price $6.59 AUD Unit price per Each 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 - 4.57x38.1x0.71 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 0.71 mm	Max. Extension (L1) 56.900 mm
Material: Steel Spring Rate: 1.243 N/mm Initial Tension (IT): 2.3 N Load at L1: 25.890 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0381-07-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.59 AUD Regular price ~~$12.53 AUD~~ Sale price $6.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0381-07-M (Each) --- Extension Springs - 4.57x38.1x0.71 mm Music Wire - Steel Spring Sale ES-0457-0381-07-M (Each) --- Extension Springs - 4.57x38.1x0.71 mm Music Wire - Steel Spring Regular price $6.59 AUD Regular price ~~$12.53 AUD~~ Sale price $6.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x38.1x0.79 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 0.79 mm	Max. Extension (L1) 53.090 mm	Spring Rate 1.839 N/mm	Initial Tension (IT) 2.7 N
Material: Steel Load at L1: 30.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0381-08-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.77 AUD Regular price ~~$12.74 AUD~~ Sale price $6.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x38.1x0.79 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 0.79 mm	Max. Extension (L1) 53.090 mm
Material: Steel Spring Rate: 1.839 N/mm Initial Tension (IT): 2.7 N Load at L1: 30.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0381-08-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.77 AUD Regular price ~~$12.74 AUD~~ Sale price $6.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0381-08-M (Each) --- Extension Springs - 4.57x38.1x0.79 mm Music Wire - Steel Spring Sale ES-0457-0381-08-M (Each) --- Extension Springs - 4.57x38.1x0.79 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$12.74 AUD~~ Sale price $6.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x38.1x0.89 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 50.040 mm	Spring Rate 3.010 N/mm	Initial Tension (IT) 3.6 N
Material: Steel Load at L1: 39.900 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0381-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.14 AUD Regular price ~~$13.46 AUD~~ Sale price $7.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x38.1x0.89 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 50.040 mm
Material: Steel Spring Rate: 3.010 N/mm Initial Tension (IT): 3.6 N Load at L1: 39.900 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0381-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.14 AUD Regular price ~~$13.46 AUD~~ Sale price $7.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0381-09-M (Each) --- Extension Springs - 4.57x38.1x0.89 mm Music Wire - Steel Spring Sale ES-0457-0381-09-M (Each) --- Extension Springs - 4.57x38.1x0.89 mm Music Wire - Steel Spring Regular price $7.14 AUD Regular price ~~$13.46 AUD~~ Sale price $7.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x44.5x0.51 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.51 mm	Max. Extension (L1) 105.160 mm	Spring Rate 0.140 N/mm	Initial Tension (IT) 0.8 N
Material: Steel Load at L1: 9.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0445-05-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.05 AUD Regular price ~~$11.41 AUD~~ Sale price $6.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x44.5x0.51 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.51 mm	Max. Extension (L1) 105.160 mm
Material: Steel Spring Rate: 0.140 N/mm Initial Tension (IT): 0.8 N Load at L1: 9.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0445-05-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.05 AUD Regular price ~~$11.41 AUD~~ Sale price $6.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0445-05-M (Each) --- Extension Springs - 4.57x44.5x0.51 mm Music Wire - Steel Spring Sale ES-0457-0445-05-M (Each) --- Extension Springs - 4.57x44.5x0.51 mm Music Wire - Steel Spring Regular price $6.05 AUD Regular price ~~$11.41 AUD~~ Sale price $6.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x44.5x0.56 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.56 mm	Max. Extension (L1) 90.170 mm	Spring Rate 0.228 N/mm	Initial Tension (IT) 0.9 N
Material: Steel Load at L1: 11.570 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0445-06-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.23 AUD Regular price ~~$11.84 AUD~~ Sale price $6.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x44.5x0.56 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.56 mm	Max. Extension (L1) 90.170 mm
Material: Steel Spring Rate: 0.228 N/mm Initial Tension (IT): 0.9 N Load at L1: 11.570 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0445-06-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.23 AUD Regular price ~~$11.84 AUD~~ Sale price $6.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0445-06-M (Each) --- Extension Springs - 4.57x44.5x0.56 mm Music Wire - Steel Spring Sale ES-0457-0445-06-M (Each) --- Extension Springs - 4.57x44.5x0.56 mm Music Wire - Steel Spring Regular price $6.23 AUD Regular price ~~$11.84 AUD~~ Sale price $6.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x44.5x0.71 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.71 mm	Max. Extension (L1) 67.310 mm	Spring Rate 1.033 N/mm	Initial Tension (IT) 2.3 N
Material: Steel Load at L1: 25.890 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0445-07-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.77 AUD Regular price ~~$12.74 AUD~~ Sale price $6.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x44.5x0.71 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.71 mm	Max. Extension (L1) 67.310 mm
Material: Steel Spring Rate: 1.033 N/mm Initial Tension (IT): 2.3 N Load at L1: 25.890 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0445-07-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.77 AUD Regular price ~~$12.74 AUD~~ Sale price $6.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0445-07-M (Each) --- Extension Springs - 4.57x44.5x0.71 mm Music Wire - Steel Spring Sale ES-0457-0445-07-M (Each) --- Extension Springs - 4.57x44.5x0.71 mm Music Wire - Steel Spring Regular price $6.77 AUD Regular price ~~$12.74 AUD~~ Sale price $6.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x44.5x0.79 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.79 mm	Max. Extension (L1) 62.480 mm	Spring Rate 1.524 N/mm	Initial Tension (IT) 2.7 N
Material: Steel Load at L1: 30.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0445-08-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.86 AUD Regular price ~~$13.00 AUD~~ Sale price $6.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x44.5x0.79 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.79 mm	Max. Extension (L1) 62.480 mm
Material: Steel Spring Rate: 1.524 N/mm Initial Tension (IT): 2.7 N Load at L1: 30.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0445-08-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.86 AUD Regular price ~~$13.00 AUD~~ Sale price $6.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0445-08-M (Each) --- Extension Springs - 4.57x44.5x0.79 mm Music Wire - Steel Spring Sale ES-0457-0445-08-M (Each) --- Extension Springs - 4.57x44.5x0.79 mm Music Wire - Steel Spring Regular price $6.86 AUD Regular price ~~$13.00 AUD~~ Sale price $6.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x44.5x0.89 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 58.930 mm	Spring Rate 2.500 N/mm	Initial Tension (IT) 3.6 N
Material: Steel Load at L1: 39.900 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0445-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.14 AUD Regular price ~~$13.50 AUD~~ Sale price $7.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x44.5x0.89 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 58.930 mm
Material: Steel Spring Rate: 2.500 N/mm Initial Tension (IT): 3.6 N Load at L1: 39.900 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0445-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.14 AUD Regular price ~~$13.50 AUD~~ Sale price $7.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0445-09-M (Each) --- Extension Springs - 4.57x44.5x0.89 mm Music Wire - Steel Spring Sale ES-0457-0445-09-M (Each) --- Extension Springs - 4.57x44.5x0.89 mm Music Wire - Steel Spring Regular price $7.14 AUD Regular price ~~$13.50 AUD~~ Sale price $7.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x50.8x0.51 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.51 mm	Max. Extension (L1) 122.170 mm	Spring Rate 0.123 N/mm	Initial Tension (IT) 0.8 N
Material: Steel Load at L1: 9.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0508-05-M (Each) 2 Available Now \| Further orders can be expected around Sun, Aug 02, 2026 Regular price $4.68 AUD Regular price ~~$11.41 AUD~~ Sale price $4.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 2 available can be backordered.
Extension Springs - 4.57x50.8x0.51 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.51 mm	Max. Extension (L1) 122.170 mm
Material: Steel Spring Rate: 0.123 N/mm Initial Tension (IT): 0.8 N Load at L1: 9.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0508-05-M (Each) 2 Available Now \| Further orders can be expected around Sun, Aug 02, 2026 Regular price $4.68 AUD Regular price ~~$11.41 AUD~~ Sale price $4.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 2 Available Now. Backorder if more than 2.
ES-0457-0508-05-M (Each) --- Extension Springs - 4.57x50.8x0.51 mm Music Wire - Steel Spring Sale ES-0457-0508-05-M (Each) --- Extension Springs - 4.57x50.8x0.51 mm Music Wire - Steel Spring Regular price $4.68 AUD Regular price ~~$11.41 AUD~~ Sale price $4.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 2 Available Now Sale
Extension Springs - 4.57x50.8x0.56 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.56 mm	Max. Extension (L1) 103.380 mm	Spring Rate 0.210 N/mm	Initial Tension (IT) 0.9 N
Material: Steel Load at L1: 11.570 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0508-06-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.41 AUD Regular price ~~$12.06 AUD~~ Sale price $6.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x50.8x0.56 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.56 mm	Max. Extension (L1) 103.380 mm
Material: Steel Spring Rate: 0.210 N/mm Initial Tension (IT): 0.9 N Load at L1: 11.570 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0508-06-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.41 AUD Regular price ~~$12.06 AUD~~ Sale price $6.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0508-06-M (Each) --- Extension Springs - 4.57x50.8x0.56 mm Music Wire - Steel Spring Sale ES-0457-0508-06-M (Each) --- Extension Springs - 4.57x50.8x0.56 mm Music Wire - Steel Spring Regular price $6.41 AUD Regular price ~~$12.06 AUD~~ Sale price $6.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x50.8x0.71 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.71 mm	Max. Extension (L1) 77.470 mm	Spring Rate 0.876 N/mm	Initial Tension (IT) 2.3 N
Material: Steel Load at L1: 25.890 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0508-07-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.86 AUD Regular price ~~$12.96 AUD~~ Sale price $6.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x50.8x0.71 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.71 mm	Max. Extension (L1) 77.470 mm
Material: Steel Spring Rate: 0.876 N/mm Initial Tension (IT): 2.3 N Load at L1: 25.890 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0508-07-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.86 AUD Regular price ~~$12.96 AUD~~ Sale price $6.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0508-07-M (Each) --- Extension Springs - 4.57x50.8x0.71 mm Music Wire - Steel Spring Sale ES-0457-0508-07-M (Each) --- Extension Springs - 4.57x50.8x0.71 mm Music Wire - Steel Spring Regular price $6.86 AUD Regular price ~~$12.96 AUD~~ Sale price $6.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x50.8x0.79 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.79 mm	Max. Extension (L1) 71.880 mm	Spring Rate 1.313 N/mm	Initial Tension (IT) 2.7 N
Material: Steel Load at L1: 30.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0508-08-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.05 AUD Regular price ~~$13.25 AUD~~ Sale price $7.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x50.8x0.79 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.79 mm	Max. Extension (L1) 71.880 mm
Material: Steel Spring Rate: 1.313 N/mm Initial Tension (IT): 2.7 N Load at L1: 30.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0508-08-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.05 AUD Regular price ~~$13.25 AUD~~ Sale price $7.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0508-08-M (Each) --- Extension Springs - 4.57x50.8x0.79 mm Music Wire - Steel Spring Sale ES-0457-0508-08-M (Each) --- Extension Springs - 4.57x50.8x0.79 mm Music Wire - Steel Spring Regular price $7.05 AUD Regular price ~~$13.25 AUD~~ Sale price $7.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x50.8x0.89 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 67.820 mm	Spring Rate 2.140 N/mm	Initial Tension (IT) 3.6 N
Material: Steel Load at L1: 39.900 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0508-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.23 AUD Regular price ~~$13.72 AUD~~ Sale price $7.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x50.8x0.89 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 67.820 mm
Material: Steel Spring Rate: 2.140 N/mm Initial Tension (IT): 3.6 N Load at L1: 39.900 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0508-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.23 AUD Regular price ~~$13.72 AUD~~ Sale price $7.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0508-09-M (Each) --- Extension Springs - 4.57x50.8x0.89 mm Music Wire - Steel Spring Sale ES-0457-0508-09-M (Each) --- Extension Springs - 4.57x50.8x0.89 mm Music Wire - Steel Spring Regular price $7.23 AUD Regular price ~~$13.72 AUD~~ Sale price $7.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x57.2x0.51 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.51 mm	Max. Extension (L1) 139.190 mm	Spring Rate 0.105 N/mm	Initial Tension (IT) 0.8 N
Material: Steel Load at L1: 9.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0572-05-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.14 AUD Regular price ~~$11.63 AUD~~ Sale price $6.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x57.2x0.51 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.51 mm	Max. Extension (L1) 139.190 mm
Material: Steel Spring Rate: 0.105 N/mm Initial Tension (IT): 0.8 N Load at L1: 9.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0572-05-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.14 AUD Regular price ~~$11.63 AUD~~ Sale price $6.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0572-05-M (Each) --- Extension Springs - 4.57x57.2x0.51 mm Music Wire - Steel Spring Sale ES-0457-0572-05-M (Each) --- Extension Springs - 4.57x57.2x0.51 mm Music Wire - Steel Spring Regular price $6.14 AUD Regular price ~~$11.63 AUD~~ Sale price $6.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x57.2x0.56 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.56 mm	Max. Extension (L1) 121.410 mm	Spring Rate 0.175 N/mm	Initial Tension (IT) 0.9 N
Material: Steel Load at L1: 11.570 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0572-06-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.50 AUD Regular price ~~$12.31 AUD~~ Sale price $6.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x57.2x0.56 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.56 mm	Max. Extension (L1) 121.410 mm
Material: Steel Spring Rate: 0.175 N/mm Initial Tension (IT): 0.9 N Load at L1: 11.570 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0572-06-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.50 AUD Regular price ~~$12.31 AUD~~ Sale price $6.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0572-06-M (Each) --- Extension Springs - 4.57x57.2x0.56 mm Music Wire - Steel Spring Sale ES-0457-0572-06-M (Each) --- Extension Springs - 4.57x57.2x0.56 mm Music Wire - Steel Spring Regular price $6.50 AUD Regular price ~~$12.31 AUD~~ Sale price $6.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x57.2x0.71 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.71 mm	Max. Extension (L1) 87.880 mm	Spring Rate 0.701 N/mm	Initial Tension (IT) 2.3 N
Material: Steel Load at L1: 25.890 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0572-07-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.05 AUD Regular price ~~$13.25 AUD~~ Sale price $7.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x57.2x0.71 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.71 mm	Max. Extension (L1) 87.880 mm
Material: Steel Spring Rate: 0.701 N/mm Initial Tension (IT): 2.3 N Load at L1: 25.890 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0572-07-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.05 AUD Regular price ~~$13.25 AUD~~ Sale price $7.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0572-07-M (Each) --- Extension Springs - 4.57x57.2x0.71 mm Music Wire - Steel Spring Sale ES-0457-0572-07-M (Each) --- Extension Springs - 4.57x57.2x0.71 mm Music Wire - Steel Spring Regular price $7.05 AUD Regular price ~~$13.25 AUD~~ Sale price $7.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x57.2x0.79 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.79 mm	Max. Extension (L1) 81.280 mm	Spring Rate 1.138 N/mm	Initial Tension (IT) 2.7 N
Material: Steel Load at L1: 30.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0572-08-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.14 AUD Regular price ~~$13.50 AUD~~ Sale price $7.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x57.2x0.79 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.79 mm	Max. Extension (L1) 81.280 mm
Material: Steel Spring Rate: 1.138 N/mm Initial Tension (IT): 2.7 N Load at L1: 30.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0572-08-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.14 AUD Regular price ~~$13.50 AUD~~ Sale price $7.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0572-08-M (Each) --- Extension Springs - 4.57x57.2x0.79 mm Music Wire - Steel Spring Sale ES-0457-0572-08-M (Each) --- Extension Springs - 4.57x57.2x0.79 mm Music Wire - Steel Spring Regular price $7.14 AUD Regular price ~~$13.50 AUD~~ Sale price $7.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x57.2x0.89 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 76.710 mm	Spring Rate 1.874 N/mm	Initial Tension (IT) 3.6 N
Material: Steel Load at L1: 39.900 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0572-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.41 AUD Regular price ~~$13.97 AUD~~ Sale price $7.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x57.2x0.89 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 76.710 mm
Material: Steel Spring Rate: 1.874 N/mm Initial Tension (IT): 3.6 N Load at L1: 39.900 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0572-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.41 AUD Regular price ~~$13.97 AUD~~ Sale price $7.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0572-09-M (Each) --- Extension Springs - 4.57x57.2x0.89 mm Music Wire - Steel Spring Sale ES-0457-0572-09-M (Each) --- Extension Springs - 4.57x57.2x0.89 mm Music Wire - Steel Spring Regular price $7.41 AUD Regular price ~~$13.97 AUD~~ Sale price $7.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x63.5x0.51 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 0.51 mm	Max. Extension (L1) 156.460 mm	Spring Rate 0.088 N/mm	Initial Tension (IT) 0.8 N
Material: Steel Load at L1: 9.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0635-05-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.23 AUD Regular price ~~$11.84 AUD~~ Sale price $6.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x63.5x0.51 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 0.51 mm	Max. Extension (L1) 156.460 mm
Material: Steel Spring Rate: 0.088 N/mm Initial Tension (IT): 0.8 N Load at L1: 9.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0635-05-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.23 AUD Regular price ~~$11.84 AUD~~ Sale price $6.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0635-05-M (Each) --- Extension Springs - 4.57x63.5x0.51 mm Music Wire - Steel Spring Sale ES-0457-0635-05-M (Each) --- Extension Springs - 4.57x63.5x0.51 mm Music Wire - Steel Spring Regular price $6.23 AUD Regular price ~~$11.84 AUD~~ Sale price $6.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x63.5x0.56 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 0.56 mm	Max. Extension (L1) 136.140 mm	Spring Rate 0.158 N/mm	Initial Tension (IT) 0.9 N
Material: Steel Load at L1: 11.570 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0635-06-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.50 AUD Regular price ~~$12.35 AUD~~ Sale price $6.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x63.5x0.56 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 0.56 mm	Max. Extension (L1) 136.140 mm
Material: Steel Spring Rate: 0.158 N/mm Initial Tension (IT): 0.9 N Load at L1: 11.570 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0635-06-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $6.50 AUD Regular price ~~$12.35 AUD~~ Sale price $6.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0635-06-M (Each) --- Extension Springs - 4.57x63.5x0.56 mm Music Wire - Steel Spring Sale ES-0457-0635-06-M (Each) --- Extension Springs - 4.57x63.5x0.56 mm Music Wire - Steel Spring Regular price $6.50 AUD Regular price ~~$12.35 AUD~~ Sale price $6.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x63.5x0.71 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 0.71 mm	Max. Extension (L1) 98.040 mm	Spring Rate 0.683 N/mm	Initial Tension (IT) 2.3 N
Material: Steel Load at L1: 25.890 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0635-07-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.14 AUD Regular price ~~$13.46 AUD~~ Sale price $7.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x63.5x0.71 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 0.71 mm	Max. Extension (L1) 98.040 mm
Material: Steel Spring Rate: 0.683 N/mm Initial Tension (IT): 2.3 N Load at L1: 25.890 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0635-07-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.14 AUD Regular price ~~$13.46 AUD~~ Sale price $7.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0635-07-M (Each) --- Extension Springs - 4.57x63.5x0.71 mm Music Wire - Steel Spring Sale ES-0457-0635-07-M (Each) --- Extension Springs - 4.57x63.5x0.71 mm Music Wire - Steel Spring Regular price $7.14 AUD Regular price ~~$13.46 AUD~~ Sale price $7.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x63.5x0.79 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 0.79 mm	Max. Extension (L1) 92.200 mm	Spring Rate 0.981 N/mm	Initial Tension (IT) 2.7 N
Material: Steel Load at L1: 30.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0635-08-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.23 AUD Regular price ~~$13.72 AUD~~ Sale price $7.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x63.5x0.79 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 0.79 mm	Max. Extension (L1) 92.200 mm
Material: Steel Spring Rate: 0.981 N/mm Initial Tension (IT): 2.7 N Load at L1: 30.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0635-08-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.23 AUD Regular price ~~$13.72 AUD~~ Sale price $7.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0635-08-M (Each) --- Extension Springs - 4.57x63.5x0.79 mm Music Wire - Steel Spring Sale ES-0457-0635-08-M (Each) --- Extension Springs - 4.57x63.5x0.79 mm Music Wire - Steel Spring Regular price $7.23 AUD Regular price ~~$13.72 AUD~~ Sale price $7.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x63.5x0.89 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 85.340 mm	Spring Rate 1.664 N/mm	Initial Tension (IT) 3.6 N
Material: Steel Load at L1: 39.900 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0635-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.50 AUD Regular price ~~$14.26 AUD~~ Sale price $7.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x63.5x0.89 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 85.340 mm
Material: Steel Spring Rate: 1.664 N/mm Initial Tension (IT): 3.6 N Load at L1: 39.900 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0635-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.50 AUD Regular price ~~$14.26 AUD~~ Sale price $7.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0635-09-M (Each) --- Extension Springs - 4.57x63.5x0.89 mm Music Wire - Steel Spring Sale ES-0457-0635-09-M (Each) --- Extension Springs - 4.57x63.5x0.89 mm Music Wire - Steel Spring Regular price $7.50 AUD Regular price ~~$14.26 AUD~~ Sale price $7.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x69.9x0.79 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 69.9 mm	Wire Diameter (d) 0.79 mm	Max. Extension (L1) 101.850 mm	Spring Rate 0.893 N/mm	Initial Tension (IT) 2.7 N
Material: Steel Load at L1: 30.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0699-08-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.41 AUD Regular price ~~$13.97 AUD~~ Sale price $7.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x69.9x0.79 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 69.9 mm	Wire Diameter (d) 0.79 mm	Max. Extension (L1) 101.850 mm
Material: Steel Spring Rate: 0.893 N/mm Initial Tension (IT): 2.7 N Load at L1: 30.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0699-08-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $7.41 AUD Regular price ~~$13.97 AUD~~ Sale price $7.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0699-08-M (Each) --- Extension Springs - 4.57x69.9x0.79 mm Music Wire - Steel Spring Sale ES-0457-0699-08-M (Each) --- Extension Springs - 4.57x69.9x0.79 mm Music Wire - Steel Spring Regular price $7.41 AUD Regular price ~~$13.97 AUD~~ Sale price $7.41 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

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