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)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
152.4
mm

(Equiv. 6 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
Max. Extension (L1)
478.540
mm
Spring Rate
0.263
N/mm
Initial Tension (IT)
8.4
N
Extension Springs - 28.58x152.4x2.01 mm - Steel
Material: Steel    Load at L1: 93.280 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1524-20-M
Extension Springs - 28.58x152.4x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $26.32 AUD
Regular price $53.60 AUD Sale price $26.32 AUD
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OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
152.4
mm

(Equiv. 6 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
Max. Extension (L1)
478.540
mm
Extension Springs - 28.58x152.4x2.01 mm - Steel
Material: Steel    Spring Rate: 0.263 N/mm    Initial Tension (IT): 8.4 N    Load at L1: 93.280 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1524-20-M
Extension Springs - 28.58x152.4x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $26.32 AUD
Regular price $53.60 AUD Sale price $26.32 AUD
Each
Quantity Required

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OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
165.1
mm

(Equiv. 6.5 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
Max. Extension (L1)
533.910
mm
Spring Rate
0.228
N/mm
Initial Tension (IT)
8.4
N
Extension Springs - 28.58x165.1x2.01 mm - Steel
Material: Steel    Load at L1: 93.280 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1651-20-M
Extension Springs - 28.58x165.1x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $27.68 AUD
Regular price $56.38 AUD Sale price $27.68 AUD
Each
Quantity Required

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OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
165.1
mm

(Equiv. 6.5 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
Max. Extension (L1)
533.910
mm
Extension Springs - 28.58x165.1x2.01 mm - Steel
Material: Steel    Spring Rate: 0.228 N/mm    Initial Tension (IT): 8.4 N    Load at L1: 93.280 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1651-20-M
Extension Springs - 28.58x165.1x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $27.68 AUD
Regular price $56.38 AUD Sale price $27.68 AUD
Each
Quantity Required

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OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
152.4
mm

(Equiv. 6 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
279.910
mm
Spring Rate
1.944
N/mm
Initial Tension (IT)
24.5
N
Extension Springs - 28.58x152.4x3.15 mm - Steel
Material: Steel    Load at L1: 272.450 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1524-31-M
Extension Springs - 28.58x152.4x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $42.14 AUD
Regular price $87.12 AUD Sale price $42.14 AUD
Each
Quantity Required

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OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
152.4
mm

(Equiv. 6 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
279.910
mm
Extension Springs - 28.58x152.4x3.15 mm - Steel
Material: Steel    Spring Rate: 1.944 N/mm    Initial Tension (IT): 24.5 N    Load at L1: 272.450 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1524-31-M
Extension Springs - 28.58x152.4x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $42.14 AUD
Regular price $87.12 AUD Sale price $42.14 AUD
Each
Quantity Required

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OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
165.1
mm

(Equiv. 6.5 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
308.610
mm
Spring Rate
1.734
N/mm
Initial Tension (IT)
24.5
N
Extension Springs - 28.58x165.1x3.15 mm - Steel
Material: Steel    Load at L1: 272.450 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1651-31-M
Extension Springs - 28.58x165.1x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $44.59 AUD
Regular price $92.20 AUD Sale price $44.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
165.1
mm

(Equiv. 6.5 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
308.610
mm
Extension Springs - 28.58x165.1x3.15 mm - Steel
Material: Steel    Spring Rate: 1.734 N/mm    Initial Tension (IT): 24.5 N    Load at L1: 272.450 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1651-31-M
Extension Springs - 28.58x165.1x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $44.59 AUD
Regular price $92.20 AUD Sale price $44.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
165.1
mm

(Equiv. 6.5 in.)
Wire Diameter (d)
2.49
mm

(Equiv. 0.098 in.)
Max. Extension (L1)
386.590
mm
Spring Rate
0.473
N/mm
Initial Tension (IT)
15.1
N
Extension Springs - 28.58x165.1x2.49 mm - Steel
Material: Steel    Load at L1: 121.040 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1651-25-M
Extension Springs - 28.58x165.1x2.49 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $33.95 AUD
Regular price $69.73 AUD Sale price $33.95 AUD
Each
Quantity Required

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OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
165.1
mm

(Equiv. 6.5 in.)
Wire Diameter (d)
2.49
mm

(Equiv. 0.098 in.)
Max. Extension (L1)
386.590
mm
Extension Springs - 28.58x165.1x2.49 mm - Steel
Material: Steel    Spring Rate: 0.473 N/mm    Initial Tension (IT): 15.1 N    Load at L1: 121.040 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1651-25-M
Extension Springs - 28.58x165.1x2.49 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $33.95 AUD
Regular price $69.73 AUD Sale price $33.95 AUD
Each
Quantity Required

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OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
177.8
mm

(Equiv. 7 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
Max. Extension (L1)
589.280
mm
Spring Rate
0.210
N/mm
Initial Tension (IT)
8.4
N
Extension Springs - 28.58x177.8x2.01 mm - Steel
Material: Steel    Load at L1: 93.280 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1778-20-M
Extension Springs - 28.58x177.8x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $28.68 AUD
Regular price $58.54 AUD Sale price $28.68 AUD
Each
Quantity Required

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OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
177.8
mm

(Equiv. 7 in.)
Wire Diameter (d)
2.01
mm

(Equiv. 0.079 in.)
Max. Extension (L1)
589.280
mm
Extension Springs - 28.58x177.8x2.01 mm - Steel
Material: Steel    Spring Rate: 0.210 N/mm    Initial Tension (IT): 8.4 N    Load at L1: 93.280 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1778-20-M
Extension Springs - 28.58x177.8x2.01 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $28.68 AUD
Regular price $58.54 AUD Sale price $28.68 AUD
Each
Quantity Required

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OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
177.8
mm

(Equiv. 7 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
337.570
mm
Spring Rate
1.559
N/mm
Initial Tension (IT)
24.5
N
Extension Springs - 28.58x177.8x3.15 mm - Steel
Material: Steel    Load at L1: 272.450 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1778-31-M
Extension Springs - 28.58x177.8x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $47.86 AUD
Regular price $99.18 AUD Sale price $47.86 AUD
Each
Quantity Required

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OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
177.8
mm

(Equiv. 7 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
337.570
mm
Extension Springs - 28.58x177.8x3.15 mm - Steel
Material: Steel    Spring Rate: 1.559 N/mm    Initial Tension (IT): 24.5 N    Load at L1: 272.450 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1778-31-M
Extension Springs - 28.58x177.8x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $47.86 AUD
Regular price $99.18 AUD Sale price $47.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
177.8
mm

(Equiv. 7 in.)
Wire Diameter (d)
2.49
mm

(Equiv. 0.098 in.)
Max. Extension (L1)
424.430
mm
Spring Rate
0.438
N/mm
Initial Tension (IT)
15.1
N
Extension Springs - 28.58x177.8x2.49 mm - Steel
Material: Steel    Load at L1: 121.040 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1778-25-M
Extension Springs - 28.58x177.8x2.49 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $35.86 AUD
Regular price $73.73 AUD Sale price $35.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
177.8
mm

(Equiv. 7 in.)
Wire Diameter (d)
2.49
mm

(Equiv. 0.098 in.)
Max. Extension (L1)
424.430
mm
Extension Springs - 28.58x177.8x2.49 mm - Steel
Material: Steel    Spring Rate: 0.438 N/mm    Initial Tension (IT): 15.1 N    Load at L1: 121.040 N   
Category: Springs - Extension - Music Wire
Part Number: ES-2858-1778-25-M
Extension Springs - 28.58x177.8x2.49 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $35.86 AUD
Regular price $73.73 AUD Sale price $35.86 AUD
Each
Quantity Required

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OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
914.0
mm

(Equiv. 35.984 in.)
Wire Diameter (d)
3.43
mm

(Equiv. 0.135 in.)
Spring Rate
11.88
N/mm
Initial Tension (IT)
11.9
N
Extension Springs - 28.58x914x3.43 mm - Steel - None
Material: Steel - None   
Category: Springs - Extension - Stainless Steel
Part Number: ES-2858-9140-34-S2
Extension Springs - 28.58x914x3.43 mm Stainless Steel - Steel - None Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
Regular price $146.95 AUD
Regular price $176.35 AUD Sale price $146.95 AUD
Each
Quantity Required

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OD (D0)
28.58
mm

(Equiv. 1.125 in.)
Overall Length (L0)
914.0
mm

(Equiv. 35.984 in.)
Wire Diameter (d)
3.43
mm

(Equiv. 0.135 in.)
Extension Springs - 28.58x914x3.43 mm - Steel - None
Material: Steel - None    Spring Rate: 11.88 N/mm    Initial Tension (IT): 11.9 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-2858-9140-34-S2
Extension Springs - 28.58x914x3.43 mm Stainless Steel - Steel - None Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
Regular price $146.95 AUD
Regular price $176.35 AUD Sale price $146.95 AUD
Each
Quantity Required

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OD (D0)
28.60
mm

(Equiv. 1.126 in.)
Overall Length (L0)
278.5
mm

(Equiv. 10.965 in.)
Wire Diameter (d)
3.60
mm

(Equiv. 0.142 in.)
Initial Tension (IT)
1.6
N
Extension Springs - 28.6x278.5x3.6 mm - Music Wire
Material: Music Wire   
Category: Springs - Extension - Stainless Steel
Part Number: ES-2858-2785-36-M
Extension Springs - 28.6x278.5x3.6 mm Stainless Steel - Music Wire Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $75.23 AUD
Regular price $90.27 AUD Sale price $75.23 AUD
Each
Quantity Required

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OD (D0)
28.60
mm

(Equiv. 1.126 in.)
Overall Length (L0)
278.5
mm

(Equiv. 10.965 in.)
Wire Diameter (d)
3.60
mm

(Equiv. 0.142 in.)
Extension Springs - 28.6x278.5x3.6 mm - Music Wire
Material: Music Wire    Initial Tension (IT): 1.6 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-2858-2785-36-M
Extension Springs - 28.6x278.5x3.6 mm Stainless Steel - Music Wire Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $75.23 AUD
Regular price $90.27 AUD Sale price $75.23 AUD
Each
Quantity Required

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OD (D0)
28.60
mm

(Equiv. 1.126 in.)
Overall Length (L0)
353.9
mm

(Equiv. 13.933 in.)
Wire Diameter (d)
4.00
mm

(Equiv. 0.157 in.)
Initial Tension (IT)
2.3
N
Extension Springs - 28.6x353.9x4 mm - Music Wire
Material: Music Wire   
Category: Springs - Extension - Stainless Steel
Part Number: ES-2858-3539-40-M
Extension Springs - 28.6x353.9x4 mm Stainless Steel - Music Wire Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $111.68 AUD
Regular price $134.02 AUD Sale price $111.68 AUD
Each
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OD (D0)
28.60
mm

(Equiv. 1.126 in.)
Overall Length (L0)
353.9
mm

(Equiv. 13.933 in.)
Wire Diameter (d)
4.00
mm

(Equiv. 0.157 in.)
Extension Springs - 28.6x353.9x4 mm - Music Wire
Material: Music Wire    Initial Tension (IT): 2.3 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-2858-3539-40-M
Extension Springs - 28.6x353.9x4 mm Stainless Steel - Music Wire Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $111.68 AUD
Regular price $134.02 AUD Sale price $111.68 AUD
Each
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OD (D0)
28.60
mm

(Equiv. 1.126 in.)
Overall Length (L0)
355.6
mm

(Equiv. 14 in.)
Wire Diameter (d)
3.20
mm

(Equiv. 0.126 in.)
Initial Tension (IT)
0.6
N
Extension Springs - 28.6x355.6x3.2 mm - Music Wire
Material: Music Wire   
Category: Springs - Extension - Stainless Steel
Part Number: ES-2858-3556-32-M
Extension Springs - 28.6x355.6x3.2 mm Stainless Steel - Music Wire Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $77.77 AUD
Regular price $93.33 AUD Sale price $77.77 AUD
Each
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OD (D0)
28.60
mm

(Equiv. 1.126 in.)
Overall Length (L0)
355.6
mm

(Equiv. 14 in.)
Wire Diameter (d)
3.20
mm

(Equiv. 0.126 in.)
Extension Springs - 28.6x355.6x3.2 mm - Music Wire
Material: Music Wire    Initial Tension (IT): 0.6 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-2858-3556-32-M
Extension Springs - 28.6x355.6x3.2 mm Stainless Steel - Music Wire Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $77.77 AUD
Regular price $93.33 AUD Sale price $77.77 AUD
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OD (D0)
30.20
mm

(Equiv. 1.189 in.)
Overall Length (L0)
358.0
mm

(Equiv. 14.094 in.)
Wire Diameter (d)
3.60
mm

(Equiv. 0.142 in.)
Initial Tension (IT)
1.0
N
Extension Springs - 30.2x358x3.6 mm - Music Wire
Material: Music Wire   
Category: Springs - Extension - Stainless Steel
Part Number: ES-3016-3580-36-M
Extension Springs - 30.2x358x3.6 mm Stainless Steel - Music Wire Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $99.23 AUD
Regular price $119.07 AUD Sale price $99.23 AUD
Each
Quantity Required

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OD (D0)
30.20
mm

(Equiv. 1.189 in.)
Overall Length (L0)
358.0
mm

(Equiv. 14.094 in.)
Wire Diameter (d)
3.60
mm

(Equiv. 0.142 in.)
Extension Springs - 30.2x358x3.6 mm - Music Wire
Material: Music Wire    Initial Tension (IT): 1.0 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-3016-3580-36-M
Extension Springs - 30.2x358x3.6 mm Stainless Steel - Music Wire Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $99.23 AUD
Regular price $119.07 AUD Sale price $99.23 AUD
Each
Quantity Required

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OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
88.9
mm

(Equiv. 3.5 in.)
Wire Diameter (d)
2.49
mm

(Equiv. 0.098 in.)
Max. Extension (L1)
177.800
mm
Spring Rate
1.384
N/mm
Initial Tension (IT)
10.4
N
Extension Springs - 31.75x88.9x2.49 mm - Steel
Material: Steel    Load at L1: 147.780 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-0889-25-M
Extension Springs - 31.75x88.9x2.49 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $24.50 AUD
Regular price $49.75 AUD Sale price $24.50 AUD
Each
Quantity Required

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OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
88.9
mm

(Equiv. 3.5 in.)
Wire Diameter (d)
2.49
mm

(Equiv. 0.098 in.)
Max. Extension (L1)
177.800
mm
Extension Springs - 31.75x88.9x2.49 mm - Steel
Material: Steel    Spring Rate: 1.384 N/mm    Initial Tension (IT): 10.4 N    Load at L1: 147.780 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-0889-25-M
Extension Springs - 31.75x88.9x2.49 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $24.50 AUD
Regular price $49.75 AUD Sale price $24.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
88.9
mm

(Equiv. 3.5 in.)
Wire Diameter (d)
3.56
mm

(Equiv. 0.14 in.)
Max. Extension (L1)
122.430
mm
Spring Rate
7.854
N/mm
Initial Tension (IT)
35.4
N
Extension Springs - 31.75x88.9x3.56 mm - Steel
Material: Steel    Load at L1: 300.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-0889-36-M
Extension Springs - 31.75x88.9x3.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $36.77 AUD
Regular price $75.64 AUD Sale price $36.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
88.9
mm

(Equiv. 3.5 in.)
Wire Diameter (d)
3.56
mm

(Equiv. 0.14 in.)
Max. Extension (L1)
122.430
mm
Extension Springs - 31.75x88.9x3.56 mm - Steel
Material: Steel    Spring Rate: 7.854 N/mm    Initial Tension (IT): 35.4 N    Load at L1: 300.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-0889-36-M
Extension Springs - 31.75x88.9x3.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $36.77 AUD
Regular price $75.64 AUD Sale price $36.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
88.9
mm

(Equiv. 3.5 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
147.570
mm
Spring Rate
4.432
N/mm
Initial Tension (IT)
17.6
N
Extension Springs - 31.75x88.9x3.15 mm - Steel
Material: Steel    Load at L1: 283.910 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-0889-31-M
Extension Springs - 31.75x88.9x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $30.41 AUD
Regular price $62.24 AUD Sale price $30.41 AUD
Each
Quantity Required

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OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
88.9
mm

(Equiv. 3.5 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
147.570
mm
Extension Springs - 31.75x88.9x3.15 mm - Steel
Material: Steel    Spring Rate: 4.432 N/mm    Initial Tension (IT): 17.6 N    Load at L1: 283.910 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-0889-31-M
Extension Springs - 31.75x88.9x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $30.41 AUD
Regular price $62.24 AUD Sale price $30.41 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
101.6
mm

(Equiv. 4 in.)
Wire Diameter (d)
2.49
mm

(Equiv. 0.098 in.)
Max. Extension (L1)
231.900
mm
Spring Rate
0.946
N/mm
Initial Tension (IT)
10.4
N
Extension Springs - 31.75x101.6x2.49 mm - Steel
Material: Steel    Load at L1: 147.780 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1016-25-M
Extension Springs - 31.75x101.6x2.49 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $26.05 AUD
Regular price $52.99 AUD Sale price $26.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
101.6
mm

(Equiv. 4 in.)
Wire Diameter (d)
2.49
mm

(Equiv. 0.098 in.)
Max. Extension (L1)
231.900
mm
Extension Springs - 31.75x101.6x2.49 mm - Steel
Material: Steel    Spring Rate: 0.946 N/mm    Initial Tension (IT): 10.4 N    Load at L1: 147.780 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1016-25-M
Extension Springs - 31.75x101.6x2.49 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $26.05 AUD
Regular price $52.99 AUD Sale price $26.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
101.6
mm

(Equiv. 4 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
185.930
mm
Spring Rate
3.164
N/mm
Initial Tension (IT)
17.6
N
Extension Springs - 31.75x101.6x3.15 mm - Steel
Material: Steel    Load at L1: 283.910 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1016-31-M
Extension Springs - 31.75x101.6x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $33.41 AUD
Regular price $68.51 AUD Sale price $33.41 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
101.6
mm

(Equiv. 4 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
185.930
mm
Extension Springs - 31.75x101.6x3.15 mm - Steel
Material: Steel    Spring Rate: 3.164 N/mm    Initial Tension (IT): 17.6 N    Load at L1: 283.910 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1016-31-M
Extension Springs - 31.75x101.6x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $33.41 AUD
Regular price $68.51 AUD Sale price $33.41 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
101.6
mm

(Equiv. 4 in.)
Wire Diameter (d)
3.56
mm

(Equiv. 0.14 in.)
Max. Extension (L1)
148.590
mm
Spring Rate
5.651
N/mm
Initial Tension (IT)
35.4
N
Extension Springs - 31.75x101.6x3.56 mm - Steel
Material: Steel    Load at L1: 300.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1016-36-M
Extension Springs - 31.75x101.6x3.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $40.59 AUD
Regular price $83.74 AUD Sale price $40.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
101.6
mm

(Equiv. 4 in.)
Wire Diameter (d)
3.56
mm

(Equiv. 0.14 in.)
Max. Extension (L1)
148.590
mm
Extension Springs - 31.75x101.6x3.56 mm - Steel
Material: Steel    Spring Rate: 5.651 N/mm    Initial Tension (IT): 35.4 N    Load at L1: 300.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1016-36-M
Extension Springs - 31.75x101.6x3.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $40.59 AUD
Regular price $83.74 AUD Sale price $40.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
114.3
mm

(Equiv. 4.5 in.)
Wire Diameter (d)
2.49
mm

(Equiv. 0.098 in.)
Max. Extension (L1)
286.000
mm
Spring Rate
0.718
N/mm
Initial Tension (IT)
10.4
N
Extension Springs - 31.75x114.3x2.49 mm - Steel
Material: Steel    Load at L1: 147.780 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1143-25-M
Extension Springs - 31.75x114.3x2.49 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $27.68 AUD
Regular price $56.48 AUD Sale price $27.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
114.3
mm

(Equiv. 4.5 in.)
Wire Diameter (d)
2.49
mm

(Equiv. 0.098 in.)
Max. Extension (L1)
286.000
mm
Extension Springs - 31.75x114.3x2.49 mm - Steel
Material: Steel    Spring Rate: 0.718 N/mm    Initial Tension (IT): 10.4 N    Load at L1: 147.780 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1143-25-M
Extension Springs - 31.75x114.3x2.49 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $27.68 AUD
Regular price $56.48 AUD Sale price $27.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
114.3
mm

(Equiv. 4.5 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
224.540
mm
Spring Rate
2.410
N/mm
Initial Tension (IT)
17.6
N
Extension Springs - 31.75x114.3x3.15 mm - Steel
Material: Steel    Load at L1: 283.910 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1143-31-M
Extension Springs - 31.75x114.3x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $36.86 AUD
Regular price $75.96 AUD Sale price $36.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
114.3
mm

(Equiv. 4.5 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
224.540
mm
Extension Springs - 31.75x114.3x3.15 mm - Steel
Material: Steel    Spring Rate: 2.410 N/mm    Initial Tension (IT): 17.6 N    Load at L1: 283.910 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1143-31-M
Extension Springs - 31.75x114.3x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $36.86 AUD
Regular price $75.96 AUD Sale price $36.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
114.3
mm

(Equiv. 4.5 in.)
Wire Diameter (d)
3.56
mm

(Equiv. 0.14 in.)
Max. Extension (L1)
174.750
mm
Spring Rate
4.400
N/mm
Initial Tension (IT)
35.4
N
Extension Springs - 31.75x114.3x3.56 mm - Steel
Material: Steel    Load at L1: 300.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1143-36-M
Extension Springs - 31.75x114.3x3.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $46.32 AUD
Regular price $95.98 AUD Sale price $46.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
114.3
mm

(Equiv. 4.5 in.)
Wire Diameter (d)
3.56
mm

(Equiv. 0.14 in.)
Max. Extension (L1)
174.750
mm
Extension Springs - 31.75x114.3x3.56 mm - Steel
Material: Steel    Spring Rate: 4.400 N/mm    Initial Tension (IT): 35.4 N    Load at L1: 300.460 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1143-36-M
Extension Springs - 31.75x114.3x3.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $46.32 AUD
Regular price $95.98 AUD Sale price $46.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
127.0
mm

(Equiv. 5 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
262.890
mm
Spring Rate
1.960
N/mm
Initial Tension (IT)
17.6
N
Extension Springs - 31.75x127x3.15 mm - Steel
Material: Steel    Load at L1: 283.910 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1270-31-M
Extension Springs - 31.75x127x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $39.41 AUD
Regular price $81.29 AUD Sale price $39.41 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
127.0
mm

(Equiv. 5 in.)
Wire Diameter (d)
3.15
mm

(Equiv. 0.124 in.)
Max. Extension (L1)
262.890
mm
Extension Springs - 31.75x127x3.15 mm - Steel
Material: Steel    Spring Rate: 1.960 N/mm    Initial Tension (IT): 17.6 N    Load at L1: 283.910 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1270-31-M
Extension Springs - 31.75x127x3.15 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $39.41 AUD
Regular price $81.29 AUD Sale price $39.41 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
127.0
mm

(Equiv. 5 in.)
Wire Diameter (d)
2.49
mm

(Equiv. 0.098 in.)
Max. Extension (L1)
340.110
mm
Spring Rate
0.560
N/mm
Initial Tension (IT)
10.4
N
Extension Springs - 31.75x127x2.49 mm - Steel
Material: Steel    Load at L1: 147.780 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1270-25-M
Extension Springs - 31.75x127x2.49 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $29.32 AUD
Regular price $59.94 AUD Sale price $29.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (L0)
127.0
mm

(Equiv. 5 in.)
Wire Diameter (d)
2.49
mm

(Equiv. 0.098 in.)
Max. Extension (L1)
340.110
mm
Extension Springs - 31.75x127x2.49 mm - Steel
Material: Steel    Spring Rate: 0.560 N/mm    Initial Tension (IT): 10.4 N    Load at L1: 147.780 N   
Category: Springs - Extension - Music Wire
Part Number: ES-3175-1270-25-M
Extension Springs - 31.75x127x2.49 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025
Regular price $29.32 AUD
Regular price $59.94 AUD Sale price $29.32 AUD
Each
Quantity Required

Backorder: Out of Stock.