Springs - Extension– Page30 – 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 - 12.7x31.8x1.6 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 31.8 mm	Wire Diameter (d) 1.60 mm	Max. Extension (L1) 41.400 mm	Spring Rate 8.210 N/mm	Initial Tension (IT) 7.6 N
Material: Steel Load at L1: 83.630 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0318-16-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.95 AUD Regular price ~~$16.88 AUD~~ Sale price $8.95 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 - 12.7x31.8x1.6 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 31.8 mm	Wire Diameter (d) 1.60 mm	Max. Extension (L1) 41.400 mm
Material: Steel Spring Rate: 8.210 N/mm Initial Tension (IT): 7.6 N Load at L1: 83.630 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0318-16-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.95 AUD Regular price ~~$16.88 AUD~~ Sale price $8.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0318-16-M (Each) --- Extension Springs - 12.7x31.8x1.6 mm Music Wire - Steel Spring Sale ES-1270-0318-16-M (Each) --- Extension Springs - 12.7x31.8x1.6 mm Music Wire - Steel Spring Regular price $8.95 AUD Regular price ~~$16.88 AUD~~ Sale price $8.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x38.1x0.89 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 96.770 mm	Spring Rate 0.210 N/mm	Initial Tension (IT) 1.8 N
Material: Steel Load at L1: 14.110 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0381-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.05 AUD Regular price ~~$15.26 AUD~~ Sale price $8.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x38.1x0.89 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 96.770 mm
Material: Steel Spring Rate: 0.210 N/mm Initial Tension (IT): 1.8 N Load at L1: 14.110 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0381-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.05 AUD Regular price ~~$15.26 AUD~~ Sale price $8.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0381-09-M (Each) --- Extension Springs - 12.7x38.1x0.89 mm Music Wire - Steel Spring Sale ES-1270-0381-09-M (Each) --- Extension Springs - 12.7x38.1x0.89 mm Music Wire - Steel Spring Regular price $8.05 AUD Regular price ~~$15.26 AUD~~ Sale price $8.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x38.1x0.99 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 0.99 mm	Max. Extension (L1) 84.330 mm	Spring Rate 0.508 N/mm	Initial Tension (IT) 2.2 N
Material: Steel Load at L1: 25.800 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0381-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.23 AUD Regular price ~~$15.59 AUD~~ Sale price $8.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x38.1x0.99 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 0.99 mm	Max. Extension (L1) 84.330 mm
Material: Steel Spring Rate: 0.508 N/mm Initial Tension (IT): 2.2 N Load at L1: 25.800 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0381-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.23 AUD Regular price ~~$15.59 AUD~~ Sale price $8.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0381-10-M (Each) --- Extension Springs - 12.7x38.1x0.99 mm Music Wire - Steel Spring Sale ES-1270-0381-10-M (Each) --- Extension Springs - 12.7x38.1x0.99 mm Music Wire - Steel Spring Regular price $8.23 AUD Regular price ~~$15.59 AUD~~ Sale price $8.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x38.1x1.25 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 1.25 mm	Max. Extension (L1) 67.060 mm	Spring Rate 1.366 N/mm	Initial Tension (IT) 3.9 N
Material: Steel Load at L1: 43.370 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0381-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.41 AUD Regular price ~~$15.88 AUD~~ Sale price $8.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x38.1x1.25 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 1.25 mm	Max. Extension (L1) 67.060 mm
Material: Steel Spring Rate: 1.366 N/mm Initial Tension (IT): 3.9 N Load at L1: 43.370 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0381-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.41 AUD Regular price ~~$15.88 AUD~~ Sale price $8.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0381-12-M (Each) --- Extension Springs - 12.7x38.1x1.25 mm Music Wire - Steel Spring Sale ES-1270-0381-12-M (Each) --- Extension Springs - 12.7x38.1x1.25 mm Music Wire - Steel Spring Regular price $8.41 AUD Regular price ~~$15.88 AUD~~ Sale price $8.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x38.1x1.4 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 1.40 mm	Max. Extension (L1) 61.210 mm	Spring Rate 2.280 N/mm	Initial Tension (IT) 5.3 N
Material: Steel Load at L1: 58.270 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0381-14-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.86 AUD Regular price ~~$16.78 AUD~~ Sale price $8.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x38.1x1.4 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 1.40 mm	Max. Extension (L1) 61.210 mm
Material: Steel Spring Rate: 2.280 N/mm Initial Tension (IT): 5.3 N Load at L1: 58.270 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0381-14-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.86 AUD Regular price ~~$16.78 AUD~~ Sale price $8.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0381-14-M (Each) --- Extension Springs - 12.7x38.1x1.4 mm Music Wire - Steel Spring Sale ES-1270-0381-14-M (Each) --- Extension Springs - 12.7x38.1x1.4 mm Music Wire - Steel Spring Regular price $8.86 AUD Regular price ~~$16.78 AUD~~ Sale price $8.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x38.1x1.6 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 1.60 mm	Max. Extension (L1) 55.120 mm	Spring Rate 4.470 N/mm	Initial Tension (IT) 7.6 N
Material: Steel Load at L1: 83.630 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0381-16-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $9.14 AUD Regular price ~~$17.32 AUD~~ Sale price $9.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x38.1x1.6 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 38.1 mm	Wire Diameter (d) 1.60 mm	Max. Extension (L1) 55.120 mm
Material: Steel Spring Rate: 4.470 N/mm Initial Tension (IT): 7.6 N Load at L1: 83.630 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0381-16-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $9.14 AUD Regular price ~~$17.32 AUD~~ Sale price $9.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0381-16-M (Each) --- Extension Springs - 12.7x38.1x1.6 mm Music Wire - Steel Spring Sale ES-1270-0381-16-M (Each) --- Extension Springs - 12.7x38.1x1.6 mm Music Wire - Steel Spring Regular price $9.14 AUD Regular price ~~$17.32 AUD~~ Sale price $9.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x41.3x2.03 mm Stainless Steel - Hard Drawn - Zinc Spring
OD (D0) 12.70 mm	Overall Length (L0) 41.3 mm	Wire Diameter (d) 2.03 mm		Spring Rate 11.59 N/mm	Initial Tension (IT) 11.6 N
Material: Hard Drawn - Zinc Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-0413-20-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Jun 28, 2026 Regular price $5.50 AUD Regular price ~~$6.60 AUD~~ Sale price $5.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x41.3x2.03 mm Stainless Steel - Hard Drawn - Zinc Spring
OD (D0) 12.70 mm	Overall Length (L0) 41.3 mm	Wire Diameter (d) 2.03 mm
Material: Hard Drawn - Zinc Spring Rate: 11.59 N/mm Initial Tension (IT): 11.6 N Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-0413-20-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Jun 28, 2026 Regular price $5.50 AUD Regular price ~~$6.60 AUD~~ Sale price $5.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0413-20-M (Each) --- Extension Springs - 12.7x41.3x2.03 mm Stainless Steel - Hard Drawn - Zinc Spring Sale ES-1270-0413-20-M (Each) --- Extension Springs - 12.7x41.3x2.03 mm Stainless Steel - Hard Drawn - Zinc Spring Regular price $5.50 AUD Regular price ~~$6.60 AUD~~ Sale price $5.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x44.5x0.89 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 126.490 mm	Spring Rate 0.145 N/mm	Initial Tension (IT) 1.8 N
Material: Steel Load at L1: 14.110 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0445-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.23 AUD Regular price ~~$15.55 AUD~~ Sale price $8.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x44.5x0.89 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 126.490 mm
Material: Steel Spring Rate: 0.145 N/mm Initial Tension (IT): 1.8 N Load at L1: 14.110 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0445-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.23 AUD Regular price ~~$15.55 AUD~~ Sale price $8.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0445-09-M (Each) --- Extension Springs - 12.7x44.5x0.89 mm Music Wire - Steel Spring Sale ES-1270-0445-09-M (Each) --- Extension Springs - 12.7x44.5x0.89 mm Music Wire - Steel Spring Regular price $8.23 AUD Regular price ~~$15.55 AUD~~ Sale price $8.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x44.5x0.99 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.99 mm	Max. Extension (L1) 108.970 mm	Spring Rate 0.350 N/mm	Initial Tension (IT) 2.2 N
Material: Steel Load at L1: 25.800 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0445-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.41 AUD Regular price ~~$15.91 AUD~~ Sale price $8.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x44.5x0.99 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 0.99 mm	Max. Extension (L1) 108.970 mm
Material: Steel Spring Rate: 0.350 N/mm Initial Tension (IT): 2.2 N Load at L1: 25.800 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0445-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.41 AUD Regular price ~~$15.91 AUD~~ Sale price $8.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0445-10-M (Each) --- Extension Springs - 12.7x44.5x0.99 mm Music Wire - Steel Spring Sale ES-1270-0445-10-M (Each) --- Extension Springs - 12.7x44.5x0.99 mm Music Wire - Steel Spring Regular price $8.41 AUD Regular price ~~$15.91 AUD~~ Sale price $8.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x44.5x1.25 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 1.25 mm	Max. Extension (L1) 86.110 mm	Spring Rate 0.946 N/mm	Initial Tension (IT) 3.9 N
Material: Steel Load at L1: 43.370 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0445-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.59 AUD Regular price ~~$16.24 AUD~~ Sale price $8.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x44.5x1.25 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 1.25 mm	Max. Extension (L1) 86.110 mm
Material: Steel Spring Rate: 0.946 N/mm Initial Tension (IT): 3.9 N Load at L1: 43.370 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0445-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.59 AUD Regular price ~~$16.24 AUD~~ Sale price $8.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0445-12-M (Each) --- Extension Springs - 12.7x44.5x1.25 mm Music Wire - Steel Spring Sale ES-1270-0445-12-M (Each) --- Extension Springs - 12.7x44.5x1.25 mm Music Wire - Steel Spring Regular price $8.59 AUD Regular price ~~$16.24 AUD~~ Sale price $8.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x44.5x1.4 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 1.40 mm	Max. Extension (L1) 76.450 mm	Spring Rate 1.576 N/mm	Initial Tension (IT) 5.3 N
Material: Steel Load at L1: 58.270 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0445-14-M (Each) 1 Available Now \| Further orders can be expected around Sun, Aug 02, 2026 Regular price $8.32 AUD Regular price ~~$17.17 AUD~~ Sale price $8.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 1 available can be backordered.
Extension Springs - 12.7x44.5x1.4 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 1.40 mm	Max. Extension (L1) 76.450 mm
Material: Steel Spring Rate: 1.576 N/mm Initial Tension (IT): 5.3 N Load at L1: 58.270 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0445-14-M (Each) 1 Available Now \| Further orders can be expected around Sun, Aug 02, 2026 Regular price $8.32 AUD Regular price ~~$17.17 AUD~~ Sale price $8.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 1 Available Now. Backorder if more than 1.
ES-1270-0445-14-M (Each) --- Extension Springs - 12.7x44.5x1.4 mm Music Wire - Steel Spring Sale ES-1270-0445-14-M (Each) --- Extension Springs - 12.7x44.5x1.4 mm Music Wire - Steel Spring Regular price $8.32 AUD Regular price ~~$17.17 AUD~~ Sale price $8.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 1 Available Now Sale
Extension Springs - 12.7x44.5x1.6 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 1.60 mm	Max. Extension (L1) 67.560 mm	Spring Rate 3.270 N/mm	Initial Tension (IT) 7.6 N
Material: Steel Load at L1: 83.630 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0445-16-M (Each) 1 Available Now \| Further orders can be expected around Sun, Aug 02, 2026 Regular price $7.23 AUD Regular price ~~$17.96 AUD~~ Sale price $7.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 1 available can be backordered.
Extension Springs - 12.7x44.5x1.6 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 44.5 mm	Wire Diameter (d) 1.60 mm	Max. Extension (L1) 67.560 mm
Material: Steel Spring Rate: 3.270 N/mm Initial Tension (IT): 7.6 N Load at L1: 83.630 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0445-16-M (Each) 1 Available Now \| Further orders can be expected around Sun, Aug 02, 2026 Regular price $7.23 AUD Regular price ~~$17.96 AUD~~ Sale price $7.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 1 Available Now. Backorder if more than 1.
ES-1270-0445-16-M (Each) --- Extension Springs - 12.7x44.5x1.6 mm Music Wire - Steel Spring Sale ES-1270-0445-16-M (Each) --- Extension Springs - 12.7x44.5x1.6 mm Music Wire - Steel Spring Regular price $7.23 AUD Regular price ~~$17.96 AUD~~ Sale price $7.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 1 Available Now Sale
Extension Springs - 12.7x50.8x0.89 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 155.450 mm	Spring Rate 0.129 N/mm	Initial Tension (IT) 1.8 N
Material: Steel Load at L1: 14.110 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0508-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.41 AUD Regular price ~~$15.84 AUD~~ Sale price $8.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x50.8x0.89 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 155.450 mm
Material: Steel Spring Rate: 0.129 N/mm Initial Tension (IT): 1.8 N Load at L1: 14.110 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0508-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.41 AUD Regular price ~~$15.84 AUD~~ Sale price $8.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0508-09-M (Each) --- Extension Springs - 12.7x50.8x0.89 mm Music Wire - Steel Spring Sale ES-1270-0508-09-M (Each) --- Extension Springs - 12.7x50.8x0.89 mm Music Wire - Steel Spring Regular price $8.41 AUD Regular price ~~$15.84 AUD~~ Sale price $8.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x50.8x0.99 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.99 mm	Max. Extension (L1) 135.380 mm	Spring Rate 0.263 N/mm	Initial Tension (IT) 2.2 N
Material: Steel Load at L1: 25.800 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0508-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.59 AUD Regular price ~~$16.20 AUD~~ Sale price $8.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x50.8x0.99 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 0.99 mm	Max. Extension (L1) 135.380 mm
Material: Steel Spring Rate: 0.263 N/mm Initial Tension (IT): 2.2 N Load at L1: 25.800 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0508-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.59 AUD Regular price ~~$16.20 AUD~~ Sale price $8.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0508-10-M (Each) --- Extension Springs - 12.7x50.8x0.99 mm Music Wire - Steel Spring Sale ES-1270-0508-10-M (Each) --- Extension Springs - 12.7x50.8x0.99 mm Music Wire - Steel Spring Regular price $8.59 AUD Regular price ~~$16.20 AUD~~ Sale price $8.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x50.8x1.25 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 1.25 mm	Max. Extension (L1) 105.160 mm	Spring Rate 0.736 N/mm	Initial Tension (IT) 3.9 N
Material: Steel Load at L1: 43.370 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0508-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.77 AUD Regular price ~~$16.60 AUD~~ Sale price $8.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x50.8x1.25 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 1.25 mm	Max. Extension (L1) 105.160 mm
Material: Steel Spring Rate: 0.736 N/mm Initial Tension (IT): 3.9 N Load at L1: 43.370 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0508-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.77 AUD Regular price ~~$16.60 AUD~~ Sale price $8.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0508-12-M (Each) --- Extension Springs - 12.7x50.8x1.25 mm Music Wire - Steel Spring Sale ES-1270-0508-12-M (Each) --- Extension Springs - 12.7x50.8x1.25 mm Music Wire - Steel Spring Regular price $8.77 AUD Regular price ~~$16.60 AUD~~ Sale price $8.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x50.8x1.4 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 1.40 mm	Max. Extension (L1) 91.440 mm	Spring Rate 1.296 N/mm	Initial Tension (IT) 5.3 N
Material: Steel Load at L1: 58.270 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0508-14-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $9.41 AUD Regular price ~~$17.75 AUD~~ Sale price $9.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x50.8x1.4 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 1.40 mm	Max. Extension (L1) 91.440 mm
Material: Steel Spring Rate: 1.296 N/mm Initial Tension (IT): 5.3 N Load at L1: 58.270 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0508-14-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $9.41 AUD Regular price ~~$17.75 AUD~~ Sale price $9.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0508-14-M (Each) --- Extension Springs - 12.7x50.8x1.4 mm Music Wire - Steel Spring Sale ES-1270-0508-14-M (Each) --- Extension Springs - 12.7x50.8x1.4 mm Music Wire - Steel Spring Regular price $9.41 AUD Regular price ~~$17.75 AUD~~ Sale price $9.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x50.8x1.6 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 1.60 mm	Max. Extension (L1) 80.260 mm	Spring Rate 2.590 N/mm	Initial Tension (IT) 7.6 N
Material: Steel Load at L1: 83.630 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0508-16-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $9.68 AUD Regular price ~~$18.43 AUD~~ Sale price $9.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x50.8x1.6 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 50.8 mm	Wire Diameter (d) 1.60 mm	Max. Extension (L1) 80.260 mm
Material: Steel Spring Rate: 2.590 N/mm Initial Tension (IT): 7.6 N Load at L1: 83.630 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0508-16-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $9.68 AUD Regular price ~~$18.43 AUD~~ Sale price $9.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0508-16-M (Each) --- Extension Springs - 12.7x50.8x1.6 mm Music Wire - Steel Spring Sale ES-1270-0508-16-M (Each) --- Extension Springs - 12.7x50.8x1.6 mm Music Wire - Steel Spring Regular price $9.68 AUD Regular price ~~$18.43 AUD~~ Sale price $9.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x57.2x0.89 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 187.200 mm	Spring Rate 0.121 N/mm	Initial Tension (IT) 1.8 N
Material: Steel Load at L1: 14.110 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0572-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.50 AUD Regular price ~~$16.13 AUD~~ Sale price $8.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x57.2x0.89 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 187.200 mm
Material: Steel Spring Rate: 0.121 N/mm Initial Tension (IT): 1.8 N Load at L1: 14.110 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0572-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.50 AUD Regular price ~~$16.13 AUD~~ Sale price $8.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0572-09-M (Each) --- Extension Springs - 12.7x57.2x0.89 mm Music Wire - Steel Spring Sale ES-1270-0572-09-M (Each) --- Extension Springs - 12.7x57.2x0.89 mm Music Wire - Steel Spring Regular price $8.50 AUD Regular price ~~$16.13 AUD~~ Sale price $8.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x57.2x0.99 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.99 mm	Max. Extension (L1) 160.020 mm	Spring Rate 0.228 N/mm	Initial Tension (IT) 2.2 N
Material: Steel Load at L1: 25.800 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0572-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.77 AUD Regular price ~~$16.52 AUD~~ Sale price $8.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x57.2x0.99 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 0.99 mm	Max. Extension (L1) 160.020 mm
Material: Steel Spring Rate: 0.228 N/mm Initial Tension (IT): 2.2 N Load at L1: 25.800 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0572-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.77 AUD Regular price ~~$16.52 AUD~~ Sale price $8.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0572-10-M (Each) --- Extension Springs - 12.7x57.2x0.99 mm Music Wire - Steel Spring Sale ES-1270-0572-10-M (Each) --- Extension Springs - 12.7x57.2x0.99 mm Music Wire - Steel Spring Regular price $8.77 AUD Regular price ~~$16.52 AUD~~ Sale price $8.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x57.2x1.25 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 1.25 mm	Max. Extension (L1) 124.210 mm	Spring Rate 0.595 N/mm	Initial Tension (IT) 3.9 N
Material: Steel Load at L1: 43.370 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0572-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.95 AUD Regular price ~~$16.96 AUD~~ Sale price $8.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x57.2x1.25 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 1.25 mm	Max. Extension (L1) 124.210 mm
Material: Steel Spring Rate: 0.595 N/mm Initial Tension (IT): 3.9 N Load at L1: 43.370 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0572-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.95 AUD Regular price ~~$16.96 AUD~~ Sale price $8.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0572-12-M (Each) --- Extension Springs - 12.7x57.2x1.25 mm Music Wire - Steel Spring Sale ES-1270-0572-12-M (Each) --- Extension Springs - 12.7x57.2x1.25 mm Music Wire - Steel Spring Regular price $8.95 AUD Regular price ~~$16.96 AUD~~ Sale price $8.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x57.2x1.4 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 1.40 mm	Max. Extension (L1) 108.970 mm	Spring Rate 1.068 N/mm	Initial Tension (IT) 5.3 N
Material: Steel Load at L1: 58.270 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0572-14-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $9.59 AUD Regular price ~~$18.18 AUD~~ Sale price $9.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x57.2x1.4 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 1.40 mm	Max. Extension (L1) 108.970 mm
Material: Steel Spring Rate: 1.068 N/mm Initial Tension (IT): 5.3 N Load at L1: 58.270 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0572-14-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $9.59 AUD Regular price ~~$18.18 AUD~~ Sale price $9.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0572-14-M (Each) --- Extension Springs - 12.7x57.2x1.4 mm Music Wire - Steel Spring Sale ES-1270-0572-14-M (Each) --- Extension Springs - 12.7x57.2x1.4 mm Music Wire - Steel Spring Regular price $9.59 AUD Regular price ~~$18.18 AUD~~ Sale price $9.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x57.2x1.6 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 1.60 mm	Max. Extension (L1) 92.710 mm	Spring Rate 2.140 N/mm	Initial Tension (IT) 7.6 N
Material: Steel Load at L1: 83.630 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0572-16-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $10.14 AUD Regular price ~~$19.26 AUD~~ Sale price $10.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x57.2x1.6 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 57.2 mm	Wire Diameter (d) 1.60 mm	Max. Extension (L1) 92.710 mm
Material: Steel Spring Rate: 2.140 N/mm Initial Tension (IT): 7.6 N Load at L1: 83.630 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0572-16-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $10.14 AUD Regular price ~~$19.26 AUD~~ Sale price $10.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0572-16-M (Each) --- Extension Springs - 12.7x57.2x1.6 mm Music Wire - Steel Spring Sale ES-1270-0572-16-M (Each) --- Extension Springs - 12.7x57.2x1.6 mm Music Wire - Steel Spring Regular price $10.14 AUD Regular price ~~$19.26 AUD~~ Sale price $10.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x63.5x1.4 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0) 12.70 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 1.40 mm	Max. Extension (L1) 122.428 mm	Spring Rate 0.74 N/mm	Initial Tension (IT) 0.8 N
Material: Stainless Steel 302/304 (Similar to A2, 18-8) Load at L1: 10.91 N Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-0635-14-S2 (Each) 1 Available Now \| Further orders can be expected around Tue, Jul 14, 2026 Regular price $21.59 AUD Regular price Sale price $21.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 1 available can be backordered.
Extension Springs - 12.7x63.5x1.4 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0) 12.70 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 1.40 mm	Max. Extension (L1) 122.428 mm
Material: Stainless Steel 302/304 (Similar to A2, 18-8) Spring Rate: 0.74 N/mm Initial Tension (IT): 0.8 N Load at L1: 10.91 N Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-0635-14-S2 (Each) 1 Available Now \| Further orders can be expected around Tue, Jul 14, 2026 Regular price $21.59 AUD Regular price Sale price $21.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 1 Available Now. Backorder if more than 1.
ES-1270-0635-14-S2 (Each) --- Extension Springs - 12.7x63.5x1.4 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring ES-1270-0635-14-S2 (Each) --- Extension Springs - 12.7x63.5x1.4 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring Regular price $21.59 AUD Regular price Sale price $21.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 1 Available Now
Extension Springs - 12.7x63.5x0.99 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 0.99 mm	Max. Extension (L1) 185.670 mm	Spring Rate 0.193 N/mm	Initial Tension (IT) 2.2 N
Material: Steel Load at L1: 25.800 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0635-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.95 AUD Regular price ~~$16.85 AUD~~ Sale price $8.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x63.5x0.99 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 63.5 mm	Wire Diameter (d) 0.99 mm	Max. Extension (L1) 185.670 mm
Material: Steel Spring Rate: 0.193 N/mm Initial Tension (IT): 2.2 N Load at L1: 25.800 N Category: Springs - Extension - Music Wire
Part Number: ES-1270-0635-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sun, Aug 02, 2026 Regular price $8.95 AUD Regular price ~~$16.85 AUD~~ Sale price $8.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0635-10-M (Each) --- Extension Springs - 12.7x63.5x0.99 mm Music Wire - Steel Spring Sale ES-1270-0635-10-M (Each) --- Extension Springs - 12.7x63.5x0.99 mm Music Wire - Steel Spring Regular price $8.95 AUD Regular price ~~$16.85 AUD~~ Sale price $8.95 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

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