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)
44.45
mm

(Equiv. 1.75 in.)
Overall Length (L0)
228.6
mm

(Equiv. 9 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
376.170
mm
Spring Rate
3.366
N/mm
Initial Tension (IT)
64.9
N
Extension Springs - 44.45x228.6x5 mm - Steel
Material: Steel    Load at L1: 564.040 N   
Category: Springs - Extension - Music Wire
Part Number: ES-4445-2286-50-M
Extension Springs - 44.45x228.6x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $156.50 AUD
Regular price $329.26 AUD Sale price $156.50 AUD
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Quantity Required

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OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
OD (D0)
44.45
mm

(Equiv. 1.75 in.)
Overall Length (L0)
228.6
mm

(Equiv. 9 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
376.170
mm
Extension Springs - 44.45x228.6x5 mm - Steel
Material: Steel    Spring Rate: 3.366 N/mm    Initial Tension (IT): 64.9 N    Load at L1: 564.040 N   
Category: Springs - Extension - Music Wire
Part Number: ES-4445-2286-50-M
Extension Springs - 44.45x228.6x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $156.50 AUD
Regular price $329.26 AUD Sale price $156.50 AUD
Each
Quantity Required

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OD (D0)
44.50
mm

(Equiv. 1.752 in.)
Overall Length (L0)
434.5
mm

(Equiv. 17.106 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Initial Tension (IT)
1.5
N
Extension Springs - 44.5x434.5x5 mm - Music Wire
Material: Music Wire   
Category: Springs - Extension - Stainless Steel
Part Number: ES-4445-4345-50-M
Extension Springs - 44.5x434.5x5 mm Stainless Steel - Music Wire Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $211.32 AUD
Regular price $253.58 AUD Sale price $211.32 AUD
Each
Quantity Required

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OD (D0)
44.50
mm

(Equiv. 1.752 in.)
Overall Length (L0)
434.5
mm

(Equiv. 17.106 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Extension Springs - 44.5x434.5x5 mm - Music Wire
Material: Music Wire    Initial Tension (IT): 1.5 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-4445-4345-50-M
Extension Springs - 44.5x434.5x5 mm Stainless Steel - Music Wire Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $211.32 AUD
Regular price $253.58 AUD Sale price $211.32 AUD
Each
Quantity Required

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OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
25.4
mm

(Equiv. 1 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
228.350
mm
Spring Rate
4.240
N/mm
Initial Tension (IT)
37.2
N
Extension Springs - 50.8x25.4x4.5 mm - Steel
Material: Steel    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-0254-45-M
Extension Springs - 50.8x25.4x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $49.32 AUD
Regular price $102.31 AUD Sale price $49.32 AUD
Each
Quantity Required

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OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
25.4
mm

(Equiv. 1 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
228.350
mm
Extension Springs - 50.8x25.4x4.5 mm - Steel
Material: Steel    Spring Rate: 4.240 N/mm    Initial Tension (IT): 37.2 N    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-0254-45-M
Extension Springs - 50.8x25.4x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $49.32 AUD
Regular price $102.31 AUD Sale price $49.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
25.4
mm

(Equiv. 1 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
202.690
mm
Spring Rate
7.060
N/mm
Initial Tension (IT)
57.3
N
Extension Springs - 50.8x25.4x5 mm - Steel
Material: Steel    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-0254-50-M
Extension Springs - 50.8x25.4x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $61.86 AUD
Regular price $128.88 AUD Sale price $61.86 AUD
Each
Quantity Required

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OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
25.4
mm

(Equiv. 1 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
202.690
mm
Extension Springs - 50.8x25.4x5 mm - Steel
Material: Steel    Spring Rate: 7.060 N/mm    Initial Tension (IT): 57.3 N    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-0254-50-M
Extension Springs - 50.8x25.4x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $61.86 AUD
Regular price $128.88 AUD Sale price $61.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
139.7
mm

(Equiv. 5.5 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
267.210
mm
Spring Rate
3.270
N/mm
Initial Tension (IT)
37.2
N
Extension Springs - 50.8x139.7x4.5 mm - Steel
Material: Steel    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1397-45-M
Extension Springs - 50.8x139.7x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $102.77 AUD
Regular price $215.53 AUD Sale price $102.77 AUD
Each
Quantity Required

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OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
139.7
mm

(Equiv. 5.5 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
267.210
mm
Extension Springs - 50.8x139.7x4.5 mm - Steel
Material: Steel    Spring Rate: 3.270 N/mm    Initial Tension (IT): 37.2 N    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1397-45-M
Extension Springs - 50.8x139.7x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $102.77 AUD
Regular price $215.53 AUD Sale price $102.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
139.7
mm

(Equiv. 5.5 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
232.920
mm
Spring Rate
5.518
N/mm
Initial Tension (IT)
57.3
N
Extension Springs - 50.8x139.7x5 mm - Steel
Material: Steel    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1397-50-M
Extension Springs - 50.8x139.7x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $122.77 AUD
Regular price $257.83 AUD Sale price $122.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
139.7
mm

(Equiv. 5.5 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
232.920
mm
Extension Springs - 50.8x139.7x5 mm - Steel
Material: Steel    Spring Rate: 5.518 N/mm    Initial Tension (IT): 57.3 N    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1397-50-M
Extension Springs - 50.8x139.7x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $122.77 AUD
Regular price $257.83 AUD Sale price $122.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
152.4
mm

(Equiv. 6 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
305.820
mm
Spring Rate
2.680
N/mm
Initial Tension (IT)
37.2
N
Extension Springs - 50.8x152.4x4.5 mm - Steel
Material: Steel    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1524-45-M
Extension Springs - 50.8x152.4x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $110.05 AUD
Regular price $230.98 AUD Sale price $110.05 AUD
Each
Quantity Required

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OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
152.4
mm

(Equiv. 6 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
305.820
mm
Extension Springs - 50.8x152.4x4.5 mm - Steel
Material: Steel    Spring Rate: 2.680 N/mm    Initial Tension (IT): 37.2 N    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1524-45-M
Extension Springs - 50.8x152.4x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $110.05 AUD
Regular price $230.98 AUD Sale price $110.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
152.4
mm

(Equiv. 6 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
262.890
mm
Spring Rate
4.455
N/mm
Initial Tension (IT)
57.3
N
Extension Springs - 50.8x152.4x5 mm - Steel
Material: Steel    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1524-50-M
Extension Springs - 50.8x152.4x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $134.68 AUD
Regular price $283.14 AUD Sale price $134.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
152.4
mm

(Equiv. 6 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
262.890
mm
Extension Springs - 50.8x152.4x5 mm - Steel
Material: Steel    Spring Rate: 4.455 N/mm    Initial Tension (IT): 57.3 N    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1524-50-M
Extension Springs - 50.8x152.4x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $134.68 AUD
Regular price $283.14 AUD Sale price $134.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
165.1
mm

(Equiv. 6.5 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
344.680
mm
Spring Rate
2.260
N/mm
Initial Tension (IT)
37.2
N
Extension Springs - 50.8x165.1x4.5 mm - Steel
Material: Steel    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1651-45-M
Extension Springs - 50.8x165.1x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $117.68 AUD
Regular price $247.10 AUD Sale price $117.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
165.1
mm

(Equiv. 6.5 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
344.680
mm
Extension Springs - 50.8x165.1x4.5 mm - Steel
Material: Steel    Spring Rate: 2.260 N/mm    Initial Tension (IT): 37.2 N    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1651-45-M
Extension Springs - 50.8x165.1x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $117.68 AUD
Regular price $247.10 AUD Sale price $117.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
165.1
mm

(Equiv. 6.5 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
293.120
mm
Spring Rate
3.850
N/mm
Initial Tension (IT)
57.3
N
Extension Springs - 50.8x165.1x5 mm - Steel
Material: Steel    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1651-50-M
Extension Springs - 50.8x165.1x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $146.05 AUD
Regular price $307.19 AUD Sale price $146.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
165.1
mm

(Equiv. 6.5 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
293.120
mm
Extension Springs - 50.8x165.1x5 mm - Steel
Material: Steel    Spring Rate: 3.850 N/mm    Initial Tension (IT): 57.3 N    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1651-50-M
Extension Springs - 50.8x165.1x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $146.05 AUD
Regular price $307.19 AUD Sale price $146.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
177.8
mm

(Equiv. 7 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
383.540
mm
Spring Rate
1.944
N/mm
Initial Tension (IT)
37.2
N
Extension Springs - 50.8x177.8x4.5 mm - Steel
Material: Steel    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1778-45-M
Extension Springs - 50.8x177.8x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $126.59 AUD
Regular price $265.86 AUD Sale price $126.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
177.8
mm

(Equiv. 7 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
383.540
mm
Extension Springs - 50.8x177.8x4.5 mm - Steel
Material: Steel    Spring Rate: 1.944 N/mm    Initial Tension (IT): 37.2 N    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1778-45-M
Extension Springs - 50.8x177.8x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $126.59 AUD
Regular price $265.86 AUD Sale price $126.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
177.8
mm

(Equiv. 7 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
323.340
mm
Spring Rate
3.345
N/mm
Initial Tension (IT)
57.3
N
Extension Springs - 50.8x177.8x5 mm - Steel
Material: Steel    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1778-50-M
Extension Springs - 50.8x177.8x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $150.95 AUD
Regular price $317.59 AUD Sale price $150.95 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
177.8
mm

(Equiv. 7 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
323.340
mm
Extension Springs - 50.8x177.8x5 mm - Steel
Material: Steel    Spring Rate: 3.345 N/mm    Initial Tension (IT): 57.3 N    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1778-50-M
Extension Springs - 50.8x177.8x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $150.95 AUD
Regular price $317.59 AUD Sale price $150.95 AUD
Each
Quantity Required

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OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
190.5
mm

(Equiv. 7.5 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
422.150
mm
Spring Rate
1.716
N/mm
Initial Tension (IT)
37.2
N
Extension Springs - 50.8x190.5x4.5 mm - Steel
Material: Steel    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1905-45-M
Extension Springs - 50.8x190.5x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $134.32 AUD
Regular price $282.28 AUD Sale price $134.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
190.5
mm

(Equiv. 7.5 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
422.150
mm
Extension Springs - 50.8x190.5x4.5 mm - Steel
Material: Steel    Spring Rate: 1.716 N/mm    Initial Tension (IT): 37.2 N    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1905-45-M
Extension Springs - 50.8x190.5x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $134.32 AUD
Regular price $282.28 AUD Sale price $134.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
190.5
mm

(Equiv. 7.5 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
353.310
mm
Spring Rate
2.943
N/mm
Initial Tension (IT)
57.3
N
Extension Springs - 50.8x190.5x5 mm - Steel
Material: Steel    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1905-50-M
Extension Springs - 50.8x190.5x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $155.50 AUD
Regular price $327.20 AUD Sale price $155.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
190.5
mm

(Equiv. 7.5 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
353.310
mm
Extension Springs - 50.8x190.5x5 mm - Steel
Material: Steel    Spring Rate: 2.943 N/mm    Initial Tension (IT): 57.3 N    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-1905-50-M
Extension Springs - 50.8x190.5x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $155.50 AUD
Regular price $327.20 AUD Sale price $155.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
203.2
mm

(Equiv. 8 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
499.620
mm
Spring Rate
1.384
N/mm
Initial Tension (IT)
37.2
N
Extension Springs - 50.8x203.2x4.5 mm - Steel
Material: Steel    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-2032-45-M
Extension Springs - 50.8x203.2x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $143.05 AUD
Regular price $300.85 AUD Sale price $143.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
203.2
mm

(Equiv. 8 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
499.620
mm
Extension Springs - 50.8x203.2x4.5 mm - Steel
Material: Steel    Spring Rate: 1.384 N/mm    Initial Tension (IT): 37.2 N    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-2032-45-M
Extension Springs - 50.8x203.2x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $143.05 AUD
Regular price $300.85 AUD Sale price $143.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
228.6
mm

(Equiv. 9 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
577.340
mm
Spring Rate
1.156
N/mm
Initial Tension (IT)
37.2
N
Extension Springs - 50.8x228.6x4.5 mm - Steel
Material: Steel    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-2286-45-M
Extension Springs - 50.8x228.6x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $152.05 AUD
Regular price $319.79 AUD Sale price $152.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
228.6
mm

(Equiv. 9 in.)
Wire Diameter (d)
4.50
mm

(Equiv. 0.177 in.)
Max. Extension (L1)
577.340
mm
Extension Springs - 50.8x228.6x4.5 mm - Steel
Material: Steel    Spring Rate: 1.156 N/mm    Initial Tension (IT): 37.2 N    Load at L1: 413.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-2286-45-M
Extension Springs - 50.8x228.6x4.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $152.05 AUD
Regular price $319.79 AUD Sale price $152.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
203.2
mm

(Equiv. 8 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
413.770
mm
Spring Rate
2.365
N/mm
Initial Tension (IT)
57.3
N
Extension Springs - 50.8x203.2x5 mm - Steel
Material: Steel    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-2032-50-M
Extension Springs - 50.8x203.2x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $161.32 AUD
Regular price $339.44 AUD Sale price $161.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
203.2
mm

(Equiv. 8 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
413.770
mm
Extension Springs - 50.8x203.2x5 mm - Steel
Material: Steel    Spring Rate: 2.365 N/mm    Initial Tension (IT): 57.3 N    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-2032-50-M
Extension Springs - 50.8x203.2x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $161.32 AUD
Regular price $339.44 AUD Sale price $161.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
228.6
mm

(Equiv. 9 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
473.960
mm
Spring Rate
1.980
N/mm
Initial Tension (IT)
57.3
N
Extension Springs - 50.8x228.6x5 mm - Steel
Material: Steel    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-2286-50-M
Extension Springs - 50.8x228.6x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $171.23 AUD
Regular price $360.47 AUD Sale price $171.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
50.80
mm

(Equiv. 2 in.)
Overall Length (L0)
228.6
mm

(Equiv. 9 in.)
Wire Diameter (d)
5.00
mm

(Equiv. 0.197 in.)
Max. Extension (L1)
473.960
mm
Extension Springs - 50.8x228.6x5 mm - Steel
Material: Steel    Spring Rate: 1.980 N/mm    Initial Tension (IT): 57.3 N    Load at L1: 501.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-5080-2286-50-M
Extension Springs - 50.8x228.6x5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $171.23 AUD
Regular price $360.47 AUD Sale price $171.23 AUD
Each
Quantity Required

Backorder: Out of Stock.