Collection: Springs - Extension

Springs -> Extension
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Spring Rate Initial Tension (IT) Indicative
Image
OD (D0)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
2.31
mm

(Equiv. 0.091 in.)
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
Extension Springs - 19.05x508x2.31 mm - Stainless Steel Spring
2 Available Now | Further orders can be expected around Fri, Sep 19, 2025
Regular price $86.68 AUD
Regular price $166.72 AUD Sale price $86.68 AUD
Each
Quantity Required

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OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
OD (D0)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
2.31
mm

(Equiv. 0.091 in.)
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
Extension Springs - 19.05x508x2.31 mm - Stainless Steel Spring
2 Available Now | Further orders can be expected around Fri, Sep 19, 2025
Regular price $86.68 AUD
Regular price $166.72 AUD Sale price $86.68 AUD
Each
Quantity Required

2 Available Now. Backorder if more than 2.
OD (D0)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (L0)
914.0
mm

(Equiv. 35.984 in.)
Wire Diameter (d)
2.03
mm

(Equiv. 0.08 in.)
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
Extension Springs - 19.05x914x2.03 mm Stainless Steel - Steel - None Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $69.14 AUD
Regular price $82.96 AUD Sale price $69.14 AUD
Each
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OD (D0)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (L0)
914.0
mm

(Equiv. 35.984 in.)
Wire Diameter (d)
2.03
mm

(Equiv. 0.08 in.)
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
Extension Springs - 19.05x914x2.03 mm Stainless Steel - Steel - None Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $69.14 AUD
Regular price $82.96 AUD Sale price $69.14 AUD
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OD (D0)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (L0)
914.0
mm

(Equiv. 35.984 in.)
Wire Diameter (d)
2.67
mm

(Equiv. 0.105 in.)
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
Extension Springs - 19.05x914x2.67 mm Stainless Steel - Steel - None Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $79.59 AUD
Regular price $95.51 AUD Sale price $79.59 AUD
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OD (D0)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (L0)
914.0
mm

(Equiv. 35.984 in.)
Wire Diameter (d)
2.67
mm

(Equiv. 0.105 in.)
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
Extension Springs - 19.05x914x2.67 mm Stainless Steel - Steel - None Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $79.59 AUD
Regular price $95.51 AUD Sale price $79.59 AUD
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OD (D0)
19.10
mm

(Equiv. 0.752 in.)
Overall Length (L0)
186.0
mm

(Equiv. 7.323 in.)
Wire Diameter (d)
2.20
mm

(Equiv. 0.087 in.)
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
Extension Springs - 19.1x186x2.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $19.68 AUD
Regular price $39.60 AUD Sale price $19.68 AUD
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OD (D0)
19.10
mm

(Equiv. 0.752 in.)
Overall Length (L0)
186.0
mm

(Equiv. 7.323 in.)
Wire Diameter (d)
2.20
mm

(Equiv. 0.087 in.)
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
Extension Springs - 19.1x186x2.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $19.68 AUD
Regular price $39.60 AUD Sale price $19.68 AUD
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OD (D0)
19.10
mm

(Equiv. 0.752 in.)
Overall Length (L0)
236.3
mm

(Equiv. 9.303 in.)
Wire Diameter (d)
2.50
mm

(Equiv. 0.098 in.)
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
Extension Springs - 19.1x236.3x2.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $29.41 AUD
Regular price $60.19 AUD Sale price $29.41 AUD
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OD (D0)
19.10
mm

(Equiv. 0.752 in.)
Overall Length (L0)
236.3
mm

(Equiv. 9.303 in.)
Wire Diameter (d)
2.50
mm

(Equiv. 0.098 in.)
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
Extension Springs - 19.1x236.3x2.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $29.41 AUD
Regular price $60.19 AUD Sale price $29.41 AUD
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OD (D0)
19.10
mm

(Equiv. 0.752 in.)
Overall Length (L0)
288.1
mm

(Equiv. 11.343 in.)
Wire Diameter (d)
2.00
mm

(Equiv. 0.079 in.)
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
Extension Springs - 19.1x288.1x2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $26.86 AUD
Regular price $54.65 AUD Sale price $26.86 AUD
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OD (D0)
19.10
mm

(Equiv. 0.752 in.)
Overall Length (L0)
288.1
mm

(Equiv. 11.343 in.)
Wire Diameter (d)
2.00
mm

(Equiv. 0.079 in.)
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
Extension Springs - 19.1x288.1x2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $26.86 AUD
Regular price $54.65 AUD Sale price $26.86 AUD
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OD (D0)
19.10
mm

(Equiv. 0.752 in.)
Overall Length (L0)
288.9
mm

(Equiv. 11.374 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
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
Extension Springs - 19.1x288.9x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $17.32 AUD
Regular price $34.45 AUD Sale price $17.32 AUD
Each
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OD (D0)
19.10
mm

(Equiv. 0.752 in.)
Overall Length (L0)
288.9
mm

(Equiv. 11.374 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
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
Extension Springs - 19.1x288.9x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $17.32 AUD
Regular price $34.45 AUD Sale price $17.32 AUD
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OD (D0)
20.64
mm

(Equiv. 0.813 in.)
Overall Length (L0)
101.6
mm

(Equiv. 4 in.)
Wire Diameter (d)
3.05
mm

(Equiv. 0.12 in.)
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
Extension Springs - 20.64x101.6x3.05 mm Stainless Steel - Hard Drawn - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $17.77 AUD
Regular price $21.33 AUD Sale price $17.77 AUD
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OD (D0)
20.64
mm

(Equiv. 0.813 in.)
Overall Length (L0)
101.6
mm

(Equiv. 4 in.)
Wire Diameter (d)
3.05
mm

(Equiv. 0.12 in.)
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
Extension Springs - 20.64x101.6x3.05 mm Stainless Steel - Hard Drawn - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $17.77 AUD
Regular price $21.33 AUD Sale price $17.77 AUD
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OD (D0)
21.43
mm

(Equiv. 0.844 in.)
Overall Length (L0)
792.2
mm

(Equiv. 31.189 in.)
Wire Diameter (d)
2.67
mm

(Equiv. 0.105 in.)
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
Extension Springs - 21.43x792.2x2.67 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $15.59 AUD
Regular price $18.71 AUD Sale price $15.59 AUD
Each
Quantity Required

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OD (D0)
21.43
mm

(Equiv. 0.844 in.)
Overall Length (L0)
792.2
mm

(Equiv. 31.189 in.)
Wire Diameter (d)
2.67
mm

(Equiv. 0.105 in.)
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
Extension Springs - 21.43x792.2x2.67 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $15.59 AUD
Regular price $18.71 AUD Sale price $15.59 AUD
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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
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
Extension Springs - 21.59x50.8x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.05 AUD
Regular price $19.12 AUD Sale price $10.05 AUD
Each
Quantity Required

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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
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
Extension Springs - 21.59x50.8x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.05 AUD
Regular price $19.12 AUD Sale price $10.05 AUD
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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
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
Extension Springs - 21.59x50.8x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $12.41 AUD
Regular price $24.12 AUD Sale price $12.41 AUD
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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
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
Extension Springs - 21.59x50.8x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $12.41 AUD
Regular price $24.12 AUD Sale price $12.41 AUD
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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
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
Extension Springs - 21.59x57.2x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.86 AUD
Regular price $20.77 AUD Sale price $10.86 AUD
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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
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
Extension Springs - 21.59x57.2x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.86 AUD
Regular price $20.77 AUD Sale price $10.86 AUD
Each
Quantity Required

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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
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
Extension Springs - 21.59x57.2x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.32 AUD
Regular price $19.62 AUD Sale price $10.32 AUD
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Quantity Required

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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
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
Extension Springs - 21.59x57.2x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.32 AUD
Regular price $19.62 AUD Sale price $10.32 AUD
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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
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
Extension Springs - 21.59x57.2x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $11.41 AUD
Regular price $22.07 AUD Sale price $11.41 AUD
Each
Quantity Required

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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
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
Extension Springs - 21.59x57.2x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $11.41 AUD
Regular price $22.07 AUD Sale price $11.41 AUD
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Quantity Required

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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
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
Extension Springs - 21.59x57.2x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $13.14 AUD
Regular price $25.74 AUD Sale price $13.14 AUD
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Quantity Required

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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
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
Extension Springs - 21.59x57.2x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $13.14 AUD
Regular price $25.74 AUD Sale price $13.14 AUD
Each
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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
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
Extension Springs - 21.59x63.5x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.59 AUD
Regular price $20.27 AUD Sale price $10.59 AUD
Each
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OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
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
Extension Springs - 21.59x63.5x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.59 AUD
Regular price $20.27 AUD Sale price $10.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
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
Extension Springs - 21.59x63.5x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $11.86 AUD
Regular price $22.97 AUD Sale price $11.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
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
Extension Springs - 21.59x63.5x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $11.86 AUD
Regular price $22.97 AUD Sale price $11.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
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
Extension Springs - 21.59x63.5x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $11.23 AUD
Regular price $21.53 AUD Sale price $11.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
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
Extension Springs - 21.59x63.5x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $11.23 AUD
Regular price $21.53 AUD Sale price $11.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
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
Extension Springs - 21.59x63.5x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $13.77 AUD
Regular price $26.93 AUD Sale price $13.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
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
Extension Springs - 21.59x63.5x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $13.77 AUD
Regular price $26.93 AUD Sale price $13.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
69.9
mm

(Equiv. 2.752 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
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
Extension Springs - 21.59x69.9x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.77 AUD
Regular price $20.74 AUD Sale price $10.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
69.9
mm

(Equiv. 2.752 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
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
Extension Springs - 21.59x69.9x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.77 AUD
Regular price $20.74 AUD Sale price $10.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
69.9
mm

(Equiv. 2.752 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
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
Extension Springs - 21.59x69.9x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $12.41 AUD
Regular price $24.08 AUD Sale price $12.41 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
69.9
mm

(Equiv. 2.752 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
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
Extension Springs - 21.59x69.9x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $12.41 AUD
Regular price $24.08 AUD Sale price $12.41 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
69.9
mm

(Equiv. 2.752 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
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
Extension Springs - 21.59x69.9x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $11.68 AUD
Regular price $22.57 AUD Sale price $11.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
69.9
mm

(Equiv. 2.752 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
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
Extension Springs - 21.59x69.9x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $11.68 AUD
Regular price $22.57 AUD Sale price $11.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
69.9
mm

(Equiv. 2.752 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
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
Extension Springs - 21.59x69.9x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $14.32 AUD
Regular price $28.08 AUD Sale price $14.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
69.9
mm

(Equiv. 2.752 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
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
Extension Springs - 21.59x69.9x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $14.32 AUD
Regular price $28.08 AUD Sale price $14.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
76.2
mm

(Equiv. 3 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
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
Extension Springs - 21.59x76.2x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $12.23 AUD
Regular price $23.69 AUD Sale price $12.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
21.59
mm

(Equiv. 0.85 in.)
Overall Length (L0)
76.2
mm

(Equiv. 3 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
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
Extension Springs - 21.59x76.2x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $12.23 AUD
Regular price $23.69 AUD Sale price $12.23 AUD
Each
Quantity Required

Backorder: Out of Stock.