Springs - Extension - Music Wire– Page22 – Miniature Bearings Australia - MBA Minibearings

OD (D0)	Overall Length (L0)	Wire Diameter (d)	Max. Extension (L1)	Spring Rate	Initial Tension (IT)
Extension Springs - 12x40x2 mm Music Wire - Steel Spring
OD (D0) 12.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 2.000 mm	Max. Extension (L1) 46.60 mm	Spring Rate 13.04 N/mm	Initial Tension (IT) 34.3 N
Material: Steel Load at L1: 120.62 N End Type: Double Loop
Part Number: ES-1200-0400-20-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Jul 14, 2026 Regular price $134.68 AUD Regular price ~~$284.76 AUD~~ Sale price $134.68 AUD Unit price per Priced, Stocked and Sold Per 100 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 - 12x40x2 mm Music Wire - Steel Spring
OD (D0) 12.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 2.000 mm	Max. Extension (L1) 46.60 mm
Material: Steel Spring Rate: 13.04 N/mm Initial Tension (IT): 34.3 N Load at L1: 120.62 N End Type: Double Loop
Part Number: ES-1200-0400-20-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Jul 14, 2026 Regular price $134.68 AUD Regular price ~~$284.76 AUD~~ Sale price $134.68 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1200-0400-20-M (PK-100) --- Extension Springs - 12x40x2 mm Music Wire - Steel Spring Sale ES-1200-0400-20-M (PK-100) --- Extension Springs - 12x40x2 mm Music Wire - Steel Spring Regular price $134.68 AUD Regular price ~~$284.76 AUD~~ Sale price $134.68 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 - 12x45x2 mm Music Wire - Steel Spring
OD (D0) 12.00 mm	Overall Length (L0) 45 mm	Wire Diameter (d) 2.000 mm	Max. Extension (L1) 52.70 mm	Spring Rate 11.18 N/mm	Initial Tension (IT) 34.3 N
Material: Steel Load at L1: 120.62 N End Type: Double Loop
Part Number: ES-1200-0450-20-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Jul 14, 2026 Regular price $142.32 AUD Regular price ~~$300.96 AUD~~ Sale price $142.32 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 - 12x45x2 mm Music Wire - Steel Spring
OD (D0) 12.00 mm	Overall Length (L0) 45 mm	Wire Diameter (d) 2.000 mm	Max. Extension (L1) 52.70 mm
Material: Steel Spring Rate: 11.18 N/mm Initial Tension (IT): 34.3 N Load at L1: 120.62 N End Type: Double Loop
Part Number: ES-1200-0450-20-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Jul 14, 2026 Regular price $142.32 AUD Regular price ~~$300.96 AUD~~ Sale price $142.32 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1200-0450-20-M (PK-100) --- Extension Springs - 12x45x2 mm Music Wire - Steel Spring Sale ES-1200-0450-20-M (PK-100) --- Extension Springs - 12x45x2 mm Music Wire - Steel Spring Regular price $142.32 AUD Regular price ~~$300.96 AUD~~ Sale price $142.32 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 - 12x50x2 mm Music Wire - Steel Spring
OD (D0) 12.00 mm	Overall Length (L0) 50 mm	Wire Diameter (d) 2.000 mm	Max. Extension (L1) 59.40 mm	Spring Rate 9.22 N/mm	Initial Tension (IT) 34.3 N
Material: Steel Load at L1: 120.62 N End Type: Double Loop
Part Number: ES-1200-0500-20-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Jul 14, 2026 Regular price $147.41 AUD Regular price ~~$311.76 AUD~~ Sale price $147.41 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 - 12x50x2 mm Music Wire - Steel Spring
OD (D0) 12.00 mm	Overall Length (L0) 50 mm	Wire Diameter (d) 2.000 mm	Max. Extension (L1) 59.40 mm
Material: Steel Spring Rate: 9.22 N/mm Initial Tension (IT): 34.3 N Load at L1: 120.62 N End Type: Double Loop
Part Number: ES-1200-0500-20-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Jul 14, 2026 Regular price $147.41 AUD Regular price ~~$311.76 AUD~~ Sale price $147.41 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1200-0500-20-M (PK-100) --- Extension Springs - 12x50x2 mm Music Wire - Steel Spring Sale ES-1200-0500-20-M (PK-100) --- Extension Springs - 12x50x2 mm Music Wire - Steel Spring Regular price $147.41 AUD Regular price ~~$311.76 AUD~~ Sale price $147.41 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 - 12x60x2 mm Music Wire - Steel Spring
OD (D0) 12.00 mm	Overall Length (L0) 60 mm	Wire Diameter (d) 2.000 mm	Max. Extension (L1) 72.10 mm	Spring Rate 7.16 N/mm	Initial Tension (IT) 34.3 N
Material: Steel Load at L1: 120.62 N End Type: Double Loop
Part Number: ES-1200-0600-20-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Jul 14, 2026 Regular price $8.23 AUD Regular price ~~$16.94 AUD~~ Sale price $8.23 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 - 12x60x2 mm Music Wire - Steel Spring
OD (D0) 12.00 mm	Overall Length (L0) 60 mm	Wire Diameter (d) 2.000 mm	Max. Extension (L1) 72.10 mm
Material: Steel Spring Rate: 7.16 N/mm Initial Tension (IT): 34.3 N Load at L1: 120.62 N End Type: Double Loop
Part Number: ES-1200-0600-20-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Jul 14, 2026 Regular price $8.23 AUD Regular price ~~$16.94 AUD~~ Sale price $8.23 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1200-0600-20-M (PK-5) --- Extension Springs - 12x60x2 mm Music Wire - Steel Spring Sale ES-1200-0600-20-M (PK-5) --- Extension Springs - 12x60x2 mm Music Wire - Steel Spring Regular price $8.23 AUD Regular price ~~$16.94 AUD~~ Sale price $8.23 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 - 12x65x2 mm Music Wire - Steel Spring
OD (D0) 12.00 mm	Overall Length (L0) 65 mm	Wire Diameter (d) 2.000 mm	Max. Extension (L1) 78.10 mm	Spring Rate 6.57 N/mm	Initial Tension (IT) 34.3 N
Material: Steel Load at L1: 120.62 N End Type: Double Loop
Part Number: ES-1200-0650-20-M (PK-50) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Jul 14, 2026 Regular price $150.77 AUD Regular price Sale price $150.77 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12x65x2 mm Music Wire - Steel Spring
OD (D0) 12.00 mm	Overall Length (L0) 65 mm	Wire Diameter (d) 2.000 mm	Max. Extension (L1) 78.10 mm
Material: Steel Spring Rate: 6.57 N/mm Initial Tension (IT): 34.3 N Load at L1: 120.62 N End Type: Double Loop
Part Number: ES-1200-0650-20-M (PK-50) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Jul 14, 2026 Regular price $150.77 AUD Regular price Sale price $150.77 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1200-0650-20-M (PK-50) --- Extension Springs - 12x65x2 mm Music Wire - Steel Spring ES-1200-0650-20-M (PK-50) --- Extension Springs - 12x65x2 mm Music Wire - Steel Spring Regular price $150.77 AUD Regular price Sale price $150.77 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Extension Springs - 12.7x31.8x0.89 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 31.8 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 67.310 mm	Spring Rate 0.368 N/mm	Initial Tension (IT) 1.8 N
Material: Steel Load at L1: 14.110 N End Type: Closed - Full Loop
Part Number: ES-1270-0318-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 2026 Regular price $7.77 AUD Regular price ~~$14.76 AUD~~ Sale price $7.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x31.8x0.89 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 31.8 mm	Wire Diameter (d) 0.89 mm	Max. Extension (L1) 67.310 mm
Material: Steel Spring Rate: 0.368 N/mm Initial Tension (IT): 1.8 N Load at L1: 14.110 N End Type: Closed - Full Loop
Part Number: ES-1270-0318-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 2026 Regular price $7.77 AUD Regular price ~~$14.76 AUD~~ Sale price $7.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0318-09-M (Each) --- Extension Springs - 12.7x31.8x0.89 mm Music Wire - Steel Spring Sale ES-1270-0318-09-M (Each) --- Extension Springs - 12.7x31.8x0.89 mm Music Wire - Steel Spring Regular price $7.77 AUD Regular price ~~$14.76 AUD~~ Sale price $7.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x31.8x0.99 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 31.8 mm	Wire Diameter (d) 0.99 mm	Max. Extension (L1) 59.440 mm	Spring Rate 0.841 N/mm	Initial Tension (IT) 2.2 N
Material: Steel Load at L1: 25.800 N End Type: Closed - Full Loop
Part Number: ES-1270-0318-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 2026 Regular price $8.14 AUD Regular price ~~$15.30 AUD~~ Sale price $8.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x31.8x0.99 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 31.8 mm	Wire Diameter (d) 0.99 mm	Max. Extension (L1) 59.440 mm
Material: Steel Spring Rate: 0.841 N/mm Initial Tension (IT): 2.2 N Load at L1: 25.800 N End Type: Closed - Full Loop
Part Number: ES-1270-0318-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 2026 Regular price $8.14 AUD Regular price ~~$15.30 AUD~~ Sale price $8.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0318-10-M (Each) --- Extension Springs - 12.7x31.8x0.99 mm Music Wire - Steel Spring Sale ES-1270-0318-10-M (Each) --- Extension Springs - 12.7x31.8x0.99 mm Music Wire - Steel Spring Regular price $8.14 AUD Regular price ~~$15.30 AUD~~ Sale price $8.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x31.8x1.25 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 31.8 mm	Wire Diameter (d) 1.25 mm	Max. Extension (L1) 47.750 mm	Spring Rate 2.450 N/mm	Initial Tension (IT) 3.9 N
Material: Steel Load at L1: 43.370 N End Type: Closed - Full Loop
Part Number: ES-1270-0318-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 2026 Regular price $8.32 AUD Regular price ~~$15.77 AUD~~ Sale price $8.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x31.8x1.25 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 31.8 mm	Wire Diameter (d) 1.25 mm	Max. Extension (L1) 47.750 mm
Material: Steel Spring Rate: 2.450 N/mm Initial Tension (IT): 3.9 N Load at L1: 43.370 N End Type: Closed - Full Loop
Part Number: ES-1270-0318-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 2026 Regular price $8.32 AUD Regular price ~~$15.77 AUD~~ Sale price $8.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0318-12-M (Each) --- Extension Springs - 12.7x31.8x1.25 mm Music Wire - Steel Spring Sale ES-1270-0318-12-M (Each) --- Extension Springs - 12.7x31.8x1.25 mm Music Wire - Steel Spring Regular price $8.32 AUD Regular price ~~$15.77 AUD~~ Sale price $8.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 12.7x31.8x1.4 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 31.8 mm	Wire Diameter (d) 1.40 mm	Max. Extension (L1) 44.450 mm	Spring Rate 4.270 N/mm	Initial Tension (IT) 5.3 N
Material: Steel Load at L1: 58.270 N End Type: Closed - Full Loop
Part Number: ES-1270-0318-14-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 2026 Regular price $8.68 AUD Regular price ~~$16.34 AUD~~ Sale price $8.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 12.7x31.8x1.4 mm Music Wire - Steel Spring
OD (D0) 12.70 mm	Overall Length (L0) 31.8 mm	Wire Diameter (d) 1.40 mm	Max. Extension (L1) 44.450 mm
Material: Steel Spring Rate: 4.270 N/mm Initial Tension (IT): 5.3 N Load at L1: 58.270 N End Type: Closed - Full Loop
Part Number: ES-1270-0318-14-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 2026 Regular price $8.68 AUD Regular price ~~$16.34 AUD~~ Sale price $8.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-1270-0318-14-M (Each) --- Extension Springs - 12.7x31.8x1.4 mm Music Wire - Steel Spring Sale ES-1270-0318-14-M (Each) --- Extension Springs - 12.7x31.8x1.4 mm Music Wire - Steel Spring Regular price $8.68 AUD Regular price ~~$16.34 AUD~~ Sale price $8.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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 End Type: Closed - Full Loop
Part Number: ES-1270-0318-16-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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.
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 End Type: Closed - Full Loop
Part Number: ES-1270-0318-16-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0381-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0381-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0381-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0381-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0381-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0381-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0381-14-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0381-14-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0381-16-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0381-16-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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
Part Number: ES-1270-0413-20-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Jun 30, 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
Part Number: ES-1270-0413-20-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Jun 30, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0445-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0445-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0445-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0445-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0445-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0445-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0445-14-M (Each) 1 Available Now \| Further orders can be expected around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0445-14-M (Each) 1 Available Now \| Further orders can be expected around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0445-16-M (Each) 1 Available Now \| Further orders can be expected around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0445-16-M (Each) 1 Available Now \| Further orders can be expected around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0508-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0508-09-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0508-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0508-10-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0508-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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 End Type: Closed - Full Loop
Part Number: ES-1270-0508-12-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Tue, Aug 04, 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

Country/region

Miniature Bearings Australia

Collection: Springs - Extension - Music Wire

Filter

Filter

Subscribe to our emails