Collection: Springs - Extension

Springs -> Extension
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Spring Rate Initial Tension (IT) Indicative
Image
Extension Springs - 19.05x508x2.31 mm - Stainless Steel Spring
OD (D0)
19.05
mm
Overall Length (L0)
508.0
mm
Wire Diameter (d)
2.31
mm
Spring Rate
4.73
N/mm
Initial Tension (IT)
4.7
N
Extension Springs - 19.05x508x2.31 mm - Stainless Steel
Material: Stainless Steel   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1905-5080-23-S2 (Each)
2 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $86.68 AUD
Regular price $166.72 AUD Sale price $86.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
Extension Springs - 19.05x508x2.31 mm - Stainless Steel Spring
OD (D0)
19.05
mm
Overall Length (L0)
508.0
mm
Wire Diameter (d)
2.31
mm
Extension Springs - 19.05x508x2.31 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 4.73 N/mm    Initial Tension (IT): 4.7 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1905-5080-23-S2 (Each)
2 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $86.68 AUD
Regular price $166.72 AUD Sale price $86.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Extension Springs - 19.05x914x2.03 mm Stainless Steel - Steel - None Spring
OD (D0)
19.05
mm
Overall Length (L0)
914.0
mm
Wire Diameter (d)
2.03
mm
Spring Rate
2.64
N/mm
Initial Tension (IT)
2.6
N
Extension Springs - 19.05x914x2.03 mm - Steel - None
Material: Steel - None   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1905-9140-20-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
Regular price $69.14 AUD
Regular price $82.96 AUD Sale price $69.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

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Extension Springs - 19.05x914x2.03 mm Stainless Steel - Steel - None Spring
OD (D0)
19.05
mm
Overall Length (L0)
914.0
mm
Wire Diameter (d)
2.03
mm
Extension Springs - 19.05x914x2.03 mm - Steel - None
Material: Steel - None    Spring Rate: 2.64 N/mm    Initial Tension (IT): 2.6 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1905-9140-20-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
Regular price $69.14 AUD
Regular price $82.96 AUD Sale price $69.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 19.05x914x2.67 mm Stainless Steel - Steel - None Spring
OD (D0)
19.05
mm
Overall Length (L0)
914.0
mm
Wire Diameter (d)
2.67
mm
Spring Rate
11.99
N/mm
Initial Tension (IT)
12.0
N
Extension Springs - 19.05x914x2.67 mm - Steel - None
Material: Steel - None   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1905-9140-27-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
Regular price $79.59 AUD
Regular price $95.51 AUD Sale price $79.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 19.05x914x2.67 mm Stainless Steel - Steel - None Spring
OD (D0)
19.05
mm
Overall Length (L0)
914.0
mm
Wire Diameter (d)
2.67
mm
Extension Springs - 19.05x914x2.67 mm - Steel - None
Material: Steel - None    Spring Rate: 11.99 N/mm    Initial Tension (IT): 12.0 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1905-9140-27-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
Regular price $79.59 AUD
Regular price $95.51 AUD Sale price $79.59 AUD
Each
Excludes GST and overseas Taxes & Duties
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Backorder: Out of Stock.
Extension Springs - 19.1x186x2.2 mm Music Wire - Steel Spring
OD (D0)
19.10
mm
Overall Length (L0)
186.0
mm
Wire Diameter (d)
2.20
mm
Initial Tension (IT)
0.8
N
Extension Springs - 19.1x186x2.2 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1905-1860-22-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $20.77 AUD
Regular price $41.83 AUD Sale price $20.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 19.1x186x2.2 mm Music Wire - Steel Spring
OD (D0)
19.10
mm
Overall Length (L0)
186.0
mm
Wire Diameter (d)
2.20
mm
Extension Springs - 19.1x186x2.2 mm - Steel
Material: Steel    Initial Tension (IT): 0.8 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1905-1860-22-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $20.77 AUD
Regular price $41.83 AUD Sale price $20.77 AUD
Each
Excludes GST and overseas Taxes & Duties
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Extension Springs - 19.1x236.3x2.5 mm Music Wire - Steel Spring
OD (D0)
19.10
mm
Overall Length (L0)
236.3
mm
Wire Diameter (d)
2.50
mm
Initial Tension (IT)
1.0
N
Extension Springs - 19.1x236.3x2.5 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1905-2363-25-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $30.95 AUD
Regular price $63.47 AUD Sale price $30.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 19.1x236.3x2.5 mm Music Wire - Steel Spring
OD (D0)
19.10
mm
Overall Length (L0)
236.3
mm
Wire Diameter (d)
2.50
mm
Extension Springs - 19.1x236.3x2.5 mm - Steel
Material: Steel    Initial Tension (IT): 1.0 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1905-2363-25-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $30.95 AUD
Regular price $63.47 AUD Sale price $30.95 AUD
Each
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Extension Springs - 19.1x288.1x2 mm Music Wire - Steel Spring
OD (D0)
19.10
mm
Overall Length (L0)
288.1
mm
Wire Diameter (d)
2.00
mm
Initial Tension (IT)
0.3
N
Extension Springs - 19.1x288.1x2 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1905-2881-20-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $28.41 AUD
Regular price $58.07 AUD Sale price $28.41 AUD
Each
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Quantity Required

Backorder: Out of Stock.
Extension Springs - 19.1x288.1x2 mm Music Wire - Steel Spring
OD (D0)
19.10
mm
Overall Length (L0)
288.1
mm
Wire Diameter (d)
2.00
mm
Extension Springs - 19.1x288.1x2 mm - Steel
Material: Steel    Initial Tension (IT): 0.3 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1905-2881-20-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $28.41 AUD
Regular price $58.07 AUD Sale price $28.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

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Extension Springs - 19.1x288.9x1.6 mm Music Wire - Steel Spring
OD (D0)
19.10
mm
Overall Length (L0)
288.9
mm
Wire Diameter (d)
1.60
mm
Initial Tension (IT)
0.1
N
Extension Springs - 19.1x288.9x1.6 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1905-2889-16-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $18.32 AUD
Regular price $36.61 AUD Sale price $18.32 AUD
Each
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Quantity Required

Backorder: Out of Stock.
Extension Springs - 19.1x288.9x1.6 mm Music Wire - Steel Spring
OD (D0)
19.10
mm
Overall Length (L0)
288.9
mm
Wire Diameter (d)
1.60
mm
Extension Springs - 19.1x288.9x1.6 mm - Steel
Material: Steel    Initial Tension (IT): 0.1 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1905-2889-16-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $18.32 AUD
Regular price $36.61 AUD Sale price $18.32 AUD
Each
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Extension Springs - 20.64x101.6x3.05 mm Stainless Steel - Hard Drawn - Zinc Spring
OD (D0)
20.64
mm
Overall Length (L0)
101.6
mm
Wire Diameter (d)
3.05
mm
Spring Rate
6.84
N/mm
Initial Tension (IT)
6.8
N
Extension Springs - 20.64x101.6x3.05 mm - Hard Drawn - Zinc
Material: Hard Drawn - Zinc   
Category: Springs - Extension - Stainless Steel
Part Number: ES-2064-1016-30-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
Regular price $17.77 AUD
Regular price $21.33 AUD Sale price $17.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 20.64x101.6x3.05 mm Stainless Steel - Hard Drawn - Zinc Spring
OD (D0)
20.64
mm
Overall Length (L0)
101.6
mm
Wire Diameter (d)
3.05
mm
Extension Springs - 20.64x101.6x3.05 mm - Hard Drawn - Zinc
Material: Hard Drawn - Zinc    Spring Rate: 6.84 N/mm    Initial Tension (IT): 6.8 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-2064-1016-30-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
Regular price $17.77 AUD
Regular price $21.33 AUD Sale price $17.77 AUD
Each
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Extension Springs - 21.43x792.2x2.67 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
21.43
mm
Overall Length (L0)
792.2
mm
Wire Diameter (d)
2.67
mm
Spring Rate
3.07
N/mm
Initial Tension (IT)
3.1
N
Extension Springs - 21.43x792.2x2.67 mm - Steel - Zinc
Material: Steel - Zinc   
Category: Springs - Extension - Stainless Steel
Part Number: ES-2143-7922-27-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
Regular price $15.59 AUD
Regular price $18.71 AUD Sale price $15.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.43x792.2x2.67 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
21.43
mm
Overall Length (L0)
792.2
mm
Wire Diameter (d)
2.67
mm
Extension Springs - 21.43x792.2x2.67 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 3.07 N/mm    Initial Tension (IT): 3.1 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-2143-7922-27-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
Regular price $15.59 AUD
Regular price $18.71 AUD Sale price $15.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x50.8x1.4 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
50.8
mm
Wire Diameter (d)
1.40
mm
Max. Extension (L1)
107.190
mm
Spring Rate
0.560
N/mm
Initial Tension (IT)
3.1
N
Extension Springs - 21.59x50.8x1.4 mm - Steel
Material: Steel    Load at L1: 7.800 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0508-14-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $10.95 AUD
Regular price $20.95 AUD Sale price $10.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x50.8x1.4 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
50.8
mm
Wire Diameter (d)
1.40
mm
Max. Extension (L1)
107.190
mm
Extension Springs - 21.59x50.8x1.4 mm - Steel
Material: Steel    Spring Rate: 0.560 N/mm    Initial Tension (IT): 3.1 N    Load at L1: 7.800 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0508-14-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $10.95 AUD
Regular price $20.95 AUD Sale price $10.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x50.8x2.01 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
50.8
mm
Wire Diameter (d)
2.01
mm
Max. Extension (L1)
69.340
mm
Spring Rate
3.860
N/mm
Initial Tension (IT)
10.7
N
Extension Springs - 21.59x50.8x2.01 mm - Steel
Material: Steel    Load at L1: 18.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0508-20-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $13.41 AUD
Regular price $26.28 AUD Sale price $13.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x50.8x2.01 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
50.8
mm
Wire Diameter (d)
2.01
mm
Max. Extension (L1)
69.340
mm
Extension Springs - 21.59x50.8x2.01 mm - Steel
Material: Steel    Spring Rate: 3.860 N/mm    Initial Tension (IT): 10.7 N    Load at L1: 18.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0508-20-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $13.41 AUD
Regular price $26.28 AUD Sale price $13.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x57.2x1.4 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
57.2
mm
Wire Diameter (d)
1.40
mm
Max. Extension (L1)
143.510
mm
Spring Rate
0.368
N/mm
Initial Tension (IT)
3.1
N
Extension Springs - 21.59x57.2x1.4 mm - Steel
Material: Steel    Load at L1: 7.800 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0572-14-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $11.14 AUD
Regular price $21.46 AUD Sale price $11.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x57.2x1.4 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
57.2
mm
Wire Diameter (d)
1.40
mm
Max. Extension (L1)
143.510
mm
Extension Springs - 21.59x57.2x1.4 mm - Steel
Material: Steel    Spring Rate: 0.368 N/mm    Initial Tension (IT): 3.1 N    Load at L1: 7.800 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0572-14-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $11.14 AUD
Regular price $21.46 AUD Sale price $11.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x57.2x1.6 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
57.2
mm
Wire Diameter (d)
1.60
mm
Max. Extension (L1)
123.950
mm
Spring Rate
0.683
N/mm
Initial Tension (IT)
4.4
N
Extension Springs - 21.59x57.2x1.6 mm - Steel
Material: Steel    Load at L1: 11.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0572-16-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $11.77 AUD
Regular price $22.68 AUD Sale price $11.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x57.2x1.6 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
57.2
mm
Wire Diameter (d)
1.60
mm
Max. Extension (L1)
123.950
mm
Extension Springs - 21.59x57.2x1.6 mm - Steel
Material: Steel    Spring Rate: 0.683 N/mm    Initial Tension (IT): 4.4 N    Load at L1: 11.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0572-16-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $11.77 AUD
Regular price $22.68 AUD Sale price $11.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x57.2x1.8 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
57.2
mm
Wire Diameter (d)
1.80
mm
Max. Extension (L1)
100.840
mm
Spring Rate
1.298
N/mm
Initial Tension (IT)
7.6
N
Extension Springs - 21.59x57.2x1.8 mm - Steel
Material: Steel    Load at L1: 14.100 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0572-18-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $12.41 AUD
Regular price $24.05 AUD Sale price $12.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x57.2x1.8 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
57.2
mm
Wire Diameter (d)
1.80
mm
Max. Extension (L1)
100.840
mm
Extension Springs - 21.59x57.2x1.8 mm - Steel
Material: Steel    Spring Rate: 1.298 N/mm    Initial Tension (IT): 7.6 N    Load at L1: 14.100 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0572-18-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $12.41 AUD
Regular price $24.05 AUD Sale price $12.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x57.2x2.01 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
57.2
mm
Wire Diameter (d)
2.01
mm
Max. Extension (L1)
89.410
mm
Spring Rate
2.210
N/mm
Initial Tension (IT)
10.7
N
Extension Springs - 21.59x57.2x2.01 mm - Steel
Material: Steel    Load at L1: 18.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0572-20-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $14.23 AUD
Regular price $27.97 AUD Sale price $14.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x57.2x2.01 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
57.2
mm
Wire Diameter (d)
2.01
mm
Max. Extension (L1)
89.410
mm
Extension Springs - 21.59x57.2x2.01 mm - Steel
Material: Steel    Spring Rate: 2.210 N/mm    Initial Tension (IT): 10.7 N    Load at L1: 18.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0572-20-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $14.23 AUD
Regular price $27.97 AUD Sale price $14.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x63.5x1.4 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
63.5
mm
Wire Diameter (d)
1.40
mm
Max. Extension (L1)
179.580
mm
Spring Rate
0.280
N/mm
Initial Tension (IT)
3.1
N
Extension Springs - 21.59x63.5x1.4 mm - Steel
Material: Steel    Load at L1: 7.800 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0635-14-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $11.50 AUD
Regular price $22.18 AUD Sale price $11.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x63.5x1.4 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
63.5
mm
Wire Diameter (d)
1.40
mm
Max. Extension (L1)
179.580
mm
Extension Springs - 21.59x63.5x1.4 mm - Steel
Material: Steel    Spring Rate: 0.280 N/mm    Initial Tension (IT): 3.1 N    Load at L1: 7.800 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0635-14-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $11.50 AUD
Regular price $22.18 AUD Sale price $11.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x63.5x1.6 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
63.5
mm
Wire Diameter (d)
1.60
mm
Max. Extension (L1)
153.420
mm
Spring Rate
0.508
N/mm
Initial Tension (IT)
4.4
N
Extension Springs - 21.59x63.5x1.6 mm - Steel
Material: Steel    Load at L1: 11.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0635-16-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $12.14 AUD
Regular price $23.51 AUD Sale price $12.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x63.5x1.6 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
63.5
mm
Wire Diameter (d)
1.60
mm
Max. Extension (L1)
153.420
mm
Extension Springs - 21.59x63.5x1.6 mm - Steel
Material: Steel    Spring Rate: 0.508 N/mm    Initial Tension (IT): 4.4 N    Load at L1: 11.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0635-16-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $12.14 AUD
Regular price $23.51 AUD Sale price $12.14 AUD
Each
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Extension Springs - 21.59x63.5x1.8 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
63.5
mm
Wire Diameter (d)
1.80
mm
Max. Extension (L1)
119.630
mm
Spring Rate
1.016
N/mm
Initial Tension (IT)
7.6
N
Extension Springs - 21.59x63.5x1.8 mm - Steel
Material: Steel    Load at L1: 14.100 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0635-18-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $12.77 AUD
Regular price $24.98 AUD Sale price $12.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x63.5x1.8 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
63.5
mm
Wire Diameter (d)
1.80
mm
Max. Extension (L1)
119.630
mm
Extension Springs - 21.59x63.5x1.8 mm - Steel
Material: Steel    Spring Rate: 1.016 N/mm    Initial Tension (IT): 7.6 N    Load at L1: 14.100 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0635-18-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $12.77 AUD
Regular price $24.98 AUD Sale price $12.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x63.5x2.01 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
63.5
mm
Wire Diameter (d)
2.01
mm
Max. Extension (L1)
106.170
mm
Spring Rate
1.640
N/mm
Initial Tension (IT)
10.7
N
Extension Springs - 21.59x63.5x2.01 mm - Steel
Material: Steel    Load at L1: 18.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0635-20-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $14.86 AUD
Regular price $29.23 AUD Sale price $14.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x63.5x2.01 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
63.5
mm
Wire Diameter (d)
2.01
mm
Max. Extension (L1)
106.170
mm
Extension Springs - 21.59x63.5x2.01 mm - Steel
Material: Steel    Spring Rate: 1.640 N/mm    Initial Tension (IT): 10.7 N    Load at L1: 18.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0635-20-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $14.86 AUD
Regular price $29.23 AUD Sale price $14.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x69.9x1.4 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
69.9
mm
Wire Diameter (d)
1.40
mm
Max. Extension (L1)
215.900
mm
Spring Rate
0.210
N/mm
Initial Tension (IT)
3.1
N
Extension Springs - 21.59x69.9x1.4 mm - Steel
Material: Steel    Load at L1: 7.800 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0699-14-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $11.77 AUD
Regular price $22.68 AUD Sale price $11.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x69.9x1.4 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
69.9
mm
Wire Diameter (d)
1.40
mm
Max. Extension (L1)
215.900
mm
Extension Springs - 21.59x69.9x1.4 mm - Steel
Material: Steel    Spring Rate: 0.210 N/mm    Initial Tension (IT): 3.1 N    Load at L1: 7.800 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0699-14-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $11.77 AUD
Regular price $22.68 AUD Sale price $11.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x69.9x1.6 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
69.9
mm
Wire Diameter (d)
1.60
mm
Max. Extension (L1)
183.130
mm
Spring Rate
0.403
N/mm
Initial Tension (IT)
4.4
N
Extension Springs - 21.59x69.9x1.6 mm - Steel
Material: Steel    Load at L1: 11.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0699-16-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $12.59 AUD
Regular price $24.59 AUD Sale price $12.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x69.9x1.6 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
69.9
mm
Wire Diameter (d)
1.60
mm
Max. Extension (L1)
183.130
mm
Extension Springs - 21.59x69.9x1.6 mm - Steel
Material: Steel    Spring Rate: 0.403 N/mm    Initial Tension (IT): 4.4 N    Load at L1: 11.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0699-16-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $12.59 AUD
Regular price $24.59 AUD Sale price $12.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x69.9x1.8 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
69.9
mm
Wire Diameter (d)
1.80
mm
Max. Extension (L1)
140.720
mm
Spring Rate
0.789
N/mm
Initial Tension (IT)
7.6
N
Extension Springs - 21.59x69.9x1.8 mm - Steel
Material: Steel    Load at L1: 14.100 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0699-18-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $13.32 AUD
Regular price $26.14 AUD Sale price $13.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x69.9x1.8 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
69.9
mm
Wire Diameter (d)
1.80
mm
Max. Extension (L1)
140.720
mm
Extension Springs - 21.59x69.9x1.8 mm - Steel
Material: Steel    Spring Rate: 0.789 N/mm    Initial Tension (IT): 7.6 N    Load at L1: 14.100 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0699-18-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $13.32 AUD
Regular price $26.14 AUD Sale price $13.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x69.9x2.01 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
69.9
mm
Wire Diameter (d)
2.01
mm
Max. Extension (L1)
122.680
mm
Spring Rate
1.280
N/mm
Initial Tension (IT)
10.7
N
Extension Springs - 21.59x69.9x2.01 mm - Steel
Material: Steel    Load at L1: 18.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0699-20-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $15.41 AUD
Regular price $30.49 AUD Sale price $15.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x69.9x2.01 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
69.9
mm
Wire Diameter (d)
2.01
mm
Max. Extension (L1)
122.680
mm
Extension Springs - 21.59x69.9x2.01 mm - Steel
Material: Steel    Spring Rate: 1.280 N/mm    Initial Tension (IT): 10.7 N    Load at L1: 18.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0699-20-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $15.41 AUD
Regular price $30.49 AUD Sale price $15.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x76.2x1.6 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
76.2
mm
Wire Diameter (d)
1.60
mm
Max. Extension (L1)
212.600
mm
Spring Rate
0.333
N/mm
Initial Tension (IT)
4.4
N
Extension Springs - 21.59x76.2x1.6 mm - Steel
Material: Steel    Load at L1: 11.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0762-16-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $13.23 AUD
Regular price $25.81 AUD Sale price $13.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 21.59x76.2x1.6 mm Music Wire - Steel Spring
OD (D0)
21.59
mm
Overall Length (L0)
76.2
mm
Wire Diameter (d)
1.60
mm
Max. Extension (L1)
212.600
mm
Extension Springs - 21.59x76.2x1.6 mm - Steel
Material: Steel    Spring Rate: 0.333 N/mm    Initial Tension (IT): 4.4 N    Load at L1: 11.300 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2159-0762-16-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $13.23 AUD
Regular price $25.81 AUD Sale price $13.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.