Collection: Springs - Extension
- Springs (With Images)
- Extension
1098 Products in this selection
This is a combined category of Extension Springs.
Use the filters in the table below, or the category tree above to refine the selection. To order any item, simply click the part number for a full product page, then add to your cart.
Use the filters in the table below, or the category tree above to refine the selection. To order any item, simply click the part number for a full product page, then add to your cart.

Additional resources:
Spings Catalogue PDF
Spring Anchors
Spings Catalogue PDF
Spring Anchors
A more concise listing may be found on the Smallparts store at Springs - Extension. Smallparts promote the most popular MBA products.
OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Spring Rate | Initial Tension (IT) |
Indicative Image |
---|---|---|---|---|---|---|
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
127.0
mm (5 in.) |
Wire Diameter (d)
3.56
mm (0.14 in.) |
Max. Extension (L1)
200.660
mm |
Spring Rate
3.591
N/mm |
Initial Tension (IT)
35.4
N |
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Material: Steel
Load at L1: 300.460 N
Category: Springs - Extension - Music Wire |
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Part Number: ES-3175-1270-36-M Extension Springs - 31.75x127x3.56 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$103.86 AUD
Regular price
Unit price
/
per
Each
|
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OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) |
Indicative Image |
||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
127.0
mm (5 in.) |
Wire Diameter (d)
3.56
mm (0.14 in.) |
Max. Extension (L1)
200.660
mm |
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||
Material: Steel
Spring Rate: 3.591 N/mm
Initial Tension (IT): 35.4 N
Load at L1: 300.460 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1270-36-M Extension Springs - 31.75x127x3.56 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$103.86 AUD
Regular price
Unit price
/
per
Each
|
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|
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OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
139.7
mm (5.5 in.) |
Wire Diameter (d)
2.49
mm (0.098 in.) |
Max. Extension (L1)
394.210
mm |
Spring Rate
0.475
N/mm |
Initial Tension (IT)
10.4
N |
![]() |
Material: Steel
Load at L1: 147.780 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1397-25-M Extension Springs - 31.75x139.7x2.49 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$64.50 AUD
Regular price
Unit price
/
per
Each
|
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OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
139.7
mm (5.5 in.) |
Wire Diameter (d)
2.49
mm (0.098 in.) |
Max. Extension (L1)
394.210
mm |
![]() |
||
Material: Steel
Spring Rate: 0.475 N/mm
Initial Tension (IT): 10.4 N
Load at L1: 147.780 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1397-25-M Extension Springs - 31.75x139.7x2.49 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$64.50 AUD
Regular price
Unit price
/
per
Each
|
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|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
139.7
mm (5.5 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
301.240
mm |
Spring Rate
1.646
N/mm |
Initial Tension (IT)
17.6
N |
![]() |
Material: Steel
Load at L1: 283.910 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1397-31-M Extension Springs - 31.75x139.7x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$88.41 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
139.7
mm (5.5 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
301.240
mm |
![]() |
||
Material: Steel
Spring Rate: 1.646 N/mm
Initial Tension (IT): 17.6 N
Load at L1: 283.910 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1397-31-M Extension Springs - 31.75x139.7x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$88.41 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
139.7
mm (5.5 in.) |
Wire Diameter (d)
3.56
mm (0.14 in.) |
Max. Extension (L1)
226.820
mm |
Spring Rate
3.015
N/mm |
Initial Tension (IT)
35.4
N |
![]() |
Material: Steel
Load at L1: 300.460 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1397-36-M Extension Springs - 31.75x139.7x3.56 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$111.50 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
139.7
mm (5.5 in.) |
Wire Diameter (d)
3.56
mm (0.14 in.) |
Max. Extension (L1)
226.820
mm |
![]() |
||
Material: Steel
Spring Rate: 3.015 N/mm
Initial Tension (IT): 35.4 N
Load at L1: 300.460 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1397-36-M Extension Springs - 31.75x139.7x3.56 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$111.50 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
152.4
mm (6 in.) |
Wire Diameter (d)
2.49
mm (0.098 in.) |
Max. Extension (L1)
448.310
mm |
Spring Rate
0.403
N/mm |
Initial Tension (IT)
10.4
N |
![]() |
Material: Steel
Load at L1: 147.780 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1524-25-M Extension Springs - 31.75x152.4x2.49 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$68.41 AUD
Regular price
Unit price
/
per
Each
|
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OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
152.4
mm (6 in.) |
Wire Diameter (d)
2.49
mm (0.098 in.) |
Max. Extension (L1)
448.310
mm |
![]() |
||
Material: Steel
Spring Rate: 0.403 N/mm
Initial Tension (IT): 10.4 N
Load at L1: 147.780 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1524-25-M Extension Springs - 31.75x152.4x2.49 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$68.41 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
152.4
mm (6 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
339.850
mm |
Spring Rate
1.030
N/mm |
Initial Tension (IT)
17.6
N |
![]() |
Material: Steel
Load at L1: 283.910 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1524-31-M Extension Springs - 31.75x152.4x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$94.50 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
152.4
mm (6 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
339.850
mm |
![]() |
||
Material: Steel
Spring Rate: 1.030 N/mm
Initial Tension (IT): 17.6 N
Load at L1: 283.910 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1524-31-M Extension Springs - 31.75x152.4x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$94.50 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
152.4
mm (6 in.) |
Wire Diameter (d)
3.56
mm (0.14 in.) |
Max. Extension (L1)
252.980
mm |
Spring Rate
2.630
N/mm |
Initial Tension (IT)
35.4
N |
![]() |
Material: Steel
Load at L1: 300.460 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1524-36-M Extension Springs - 31.75x152.4x3.56 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$120.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
152.4
mm (6 in.) |
Wire Diameter (d)
3.56
mm (0.14 in.) |
Max. Extension (L1)
252.980
mm |
![]() |
||
Material: Steel
Spring Rate: 2.630 N/mm
Initial Tension (IT): 35.4 N
Load at L1: 300.460 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1524-36-M Extension Springs - 31.75x152.4x3.56 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$120.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
165.1
mm (6.5 in.) |
Wire Diameter (d)
2.49
mm (0.098 in.) |
Max. Extension (L1)
502.410
mm |
Spring Rate
0.350
N/mm |
Initial Tension (IT)
10.4
N |
![]() |
Material: Steel
Load at L1: 147.780 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1651-25-M Extension Springs - 31.75x165.1x2.49 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$72.59 AUD
Regular price
Unit price
/
per
Each
|
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OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
165.1
mm (6.5 in.) |
Wire Diameter (d)
2.49
mm (0.098 in.) |
Max. Extension (L1)
502.410
mm |
![]() |
||
Material: Steel
Spring Rate: 0.350 N/mm
Initial Tension (IT): 10.4 N
Load at L1: 147.780 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1651-25-M Extension Springs - 31.75x165.1x2.49 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$72.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
165.1
mm (6.5 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
378.210
mm |
Spring Rate
1.243
N/mm |
Initial Tension (IT)
17.6
N |
![]() |
Material: Steel
Load at L1: 283.910 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1651-31-M Extension Springs - 31.75x165.1x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$100.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
165.1
mm (6.5 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
378.210
mm |
![]() |
||
Material: Steel
Spring Rate: 1.243 N/mm
Initial Tension (IT): 17.6 N
Load at L1: 283.910 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1651-31-M Extension Springs - 31.75x165.1x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$100.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
165.1
mm (6.5 in.) |
Wire Diameter (d)
3.56
mm (0.14 in.) |
Max. Extension (L1)
279.150
mm |
Spring Rate
2.330
N/mm |
Initial Tension (IT)
35.4
N |
![]() |
Material: Steel
Load at L1: 300.460 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1651-36-M Extension Springs - 31.75x165.1x3.56 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$127.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
165.1
mm (6.5 in.) |
Wire Diameter (d)
3.56
mm (0.14 in.) |
Max. Extension (L1)
279.150
mm |
![]() |
||
Material: Steel
Spring Rate: 2.330 N/mm
Initial Tension (IT): 35.4 N
Load at L1: 300.460 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1651-36-M Extension Springs - 31.75x165.1x3.56 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$127.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
177.8
mm (7 in.) |
Wire Diameter (d)
2.49
mm (0.098 in.) |
Max. Extension (L1)
556.510
mm |
Spring Rate
0.315
N/mm |
Initial Tension (IT)
10.4
N |
![]() |
Material: Steel
Load at L1: 147.780 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1778-25-M Extension Springs - 31.75x177.8x2.49 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$76.86 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
177.8
mm (7 in.) |
Wire Diameter (d)
2.49
mm (0.098 in.) |
Max. Extension (L1)
556.510
mm |
![]() |
||
Material: Steel
Spring Rate: 0.315 N/mm
Initial Tension (IT): 10.4 N
Load at L1: 147.780 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1778-25-M Extension Springs - 31.75x177.8x2.49 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$76.86 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
177.8
mm (7 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
416.560
mm |
Spring Rate
1.121
N/mm |
Initial Tension (IT)
17.6
N |
![]() |
Material: Steel
Load at L1: 283.910 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1778-31-M Extension Springs - 31.75x177.8x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$108.05 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
177.8
mm (7 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
416.560
mm |
![]() |
||
Material: Steel
Spring Rate: 1.121 N/mm
Initial Tension (IT): 17.6 N
Load at L1: 283.910 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1778-31-M Extension Springs - 31.75x177.8x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$108.05 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
177.8
mm (7 in.) |
Wire Diameter (d)
3.56
mm (0.14 in.) |
Max. Extension (L1)
305.050
mm |
Spring Rate
2.067
N/mm |
Initial Tension (IT)
35.4
N |
![]() |
Material: Steel
Load at L1: 300.460 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1778-36-M Extension Springs - 31.75x177.8x3.56 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$134.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
177.8
mm (7 in.) |
Wire Diameter (d)
3.56
mm (0.14 in.) |
Max. Extension (L1)
305.050
mm |
![]() |
||
Material: Steel
Spring Rate: 2.067 N/mm
Initial Tension (IT): 35.4 N
Load at L1: 300.460 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1778-36-M Extension Springs - 31.75x177.8x3.56 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$134.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
184.2
mm (7.252 in.) |
Wire Diameter (d)
5.33
mm (0.21 in.) |
Spring Rate
15.32
N/mm |
Initial Tension (IT)
15.3
N |
![]() |
|
Material: Steel
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1842-53-M Extension Springs - 31.75x184.2x5.33 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025 Regular price
$147.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
184.2
mm (7.252 in.) |
Wire Diameter (d)
5.33
mm (0.21 in.) |
![]() |
|||
Material: Steel
Spring Rate: 15.32 N/mm
Initial Tension (IT): 15.3 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1842-53-M Extension Springs - 31.75x184.2x5.33 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025 Regular price
$147.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
190.5
mm (7.5 in.) |
Wire Diameter (d)
2.49
mm (0.098 in.) |
Max. Extension (L1)
610.620
mm |
Spring Rate
0.280
N/mm |
Initial Tension (IT)
10.4
N |
![]() |
Material: Steel
Load at L1: 147.780 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1905-25-M Extension Springs - 31.75x190.5x2.49 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$81.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
190.5
mm (7.5 in.) |
Wire Diameter (d)
2.49
mm (0.098 in.) |
Max. Extension (L1)
610.620
mm |
![]() |
||
Material: Steel
Spring Rate: 0.280 N/mm
Initial Tension (IT): 10.4 N
Load at L1: 147.780 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1905-25-M Extension Springs - 31.75x190.5x2.49 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$81.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
190.5
mm (7.5 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
455.170
mm |
Spring Rate
0.948
N/mm |
Initial Tension (IT)
17.6
N |
![]() |
Material: Steel
Load at L1: 283.910 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1905-31-M Extension Springs - 31.75x190.5x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$114.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
190.5
mm (7.5 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
455.170
mm |
![]() |
||
Material: Steel
Spring Rate: 0.948 N/mm
Initial Tension (IT): 17.6 N
Load at L1: 283.910 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1905-31-M Extension Springs - 31.75x190.5x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$114.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
190.5
mm (7.5 in.) |
Wire Diameter (d)
3.56
mm (0.14 in.) |
Max. Extension (L1)
331.220
mm |
Spring Rate
1.874
N/mm |
Initial Tension (IT)
35.4
N |
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Material: Steel
Load at L1: 300.460 N
Category: Springs - Extension - Music Wire |
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Part Number: ES-3175-1905-36-M Extension Springs - 31.75x190.5x3.56 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$142.14 AUD
Regular price
Unit price
/
per
Each
|
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OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
190.5
mm (7.5 in.) |
Wire Diameter (d)
3.56
mm (0.14 in.) |
Max. Extension (L1)
331.220
mm |
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Material: Steel
Spring Rate: 1.874 N/mm
Initial Tension (IT): 35.4 N
Load at L1: 300.460 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3175-1905-36-M Extension Springs - 31.75x190.5x3.56 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$142.14 AUD
Regular price
Unit price
/
per
Each
|
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|
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OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
914.0
mm (35.984 in.) |
Wire Diameter (d)
3.05
mm (0.12 in.) |
Spring Rate
4.37
N/mm |
Initial Tension (IT)
4.4
N |
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Material: Steel - None
Category: Springs - Extension - Stainless Steel |
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Part Number: ES-3175-9140-30-S2 Extension Springs - 31.75x914x3.05 mm - Steel - None
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025 Regular price
$238.32 AUD
Regular price
Unit price
/
per
Each
|
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OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
914.0
mm (35.984 in.) |
Wire Diameter (d)
3.05
mm (0.12 in.) |
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Material: Steel - None
Spring Rate: 4.37 N/mm
Initial Tension (IT): 4.4 N
Category: Springs - Extension - Stainless Steel |
||||||
Part Number: ES-3175-9140-30-S2 Extension Springs - 31.75x914x3.05 mm - Steel - None
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025 Regular price
$238.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
914.0
mm (35.984 in.) |
Wire Diameter (d)
3.76
mm (0.148 in.) |
Spring Rate
13.87
N/mm |
Initial Tension (IT)
13.9
N |
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|
Material: Steel - None
Category: Springs - Extension - Stainless Steel |
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Part Number: ES-3175-9140-38-S2 Extension Springs - 31.75x914x3.76 mm - Steel - None
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025 Regular price
$276.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.75
mm (1.25 in.) |
Overall Length (L0)
914.0
mm (35.984 in.) |
Wire Diameter (d)
3.76
mm (0.148 in.) |
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|||
Material: Steel - None
Spring Rate: 13.87 N/mm
Initial Tension (IT): 13.9 N
Category: Springs - Extension - Stainless Steel |
||||||
Part Number: ES-3175-9140-38-S2 Extension Springs - 31.75x914x3.76 mm - Steel - None
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025 Regular price
$276.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.80
mm (1.252 in.) |
Overall Length (L0)
360.3
mm (14.185 in.) |
Wire Diameter (d)
4.00
mm (0.157 in.) |
Initial Tension (IT)
1.6
N |
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Material: Music Wire
Category: Springs - Extension - Stainless Steel |
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Part Number: ES-3175-3603-40-M Extension Springs - 31.8x360.3x4 mm - Music Wire
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$202.05 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.80
mm (1.252 in.) |
Overall Length (L0)
360.3
mm (14.185 in.) |
Wire Diameter (d)
4.00
mm (0.157 in.) |
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|||
Material: Music Wire
Initial Tension (IT): 1.6 N
Category: Springs - Extension - Stainless Steel |
||||||
Part Number: ES-3175-3603-40-M Extension Springs - 31.8x360.3x4 mm - Music Wire
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$202.05 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
31.80
mm (1.252 in.) |
Overall Length (L0)
410.1
mm (16.146 in.) |
Wire Diameter (d)
4.50
mm (0.177 in.) |
Initial Tension (IT)
2.6
N |
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Material: Music Wire
Category: Springs - Extension - Stainless Steel |
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Part Number: ES-3175-4101-45-M Extension Springs - 31.8x410.1x4.5 mm - Music Wire
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$253.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
31.80
mm (1.252 in.) |
Overall Length (L0)
410.1
mm (16.146 in.) |
Wire Diameter (d)
4.50
mm (0.177 in.) |
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|||
Material: Music Wire
Initial Tension (IT): 2.6 N
Category: Springs - Extension - Stainless Steel |
||||||
Part Number: ES-3175-4101-45-M Extension Springs - 31.8x410.1x4.5 mm - Music Wire
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$253.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
33.30
mm (1.311 in.) |
Overall Length (L0)
186.5
mm (7.343 in.) |
Wire Diameter (d)
3.60
mm (0.142 in.) |
Initial Tension (IT)
1.7
N |
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||
Material: Music Wire
Category: Springs - Extension - Stainless Steel |
||||||
Part Number: ES-3334-1865-36-M Extension Springs - 33.3x186.5x3.6 mm - Music Wire
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$98.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
33.30
mm (1.311 in.) |
Overall Length (L0)
186.5
mm (7.343 in.) |
Wire Diameter (d)
3.60
mm (0.142 in.) |
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|||
Material: Music Wire
Initial Tension (IT): 1.7 N
Category: Springs - Extension - Stainless Steel |
||||||
Part Number: ES-3334-1865-36-M Extension Springs - 33.3x186.5x3.6 mm - Music Wire
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$98.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
34.90
mm (1.374 in.) |
Overall Length (L0)
417.4
mm (16.433 in.) |
Wire Diameter (d)
4.00
mm (0.157 in.) |
Initial Tension (IT)
1.0
N |
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||
Material: Music Wire
Category: Springs - Extension - Stainless Steel |
||||||
Part Number: ES-3493-4174-40-M Extension Springs - 34.9x417.4x4 mm - Music Wire
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$241.86 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
34.90
mm (1.374 in.) |
Overall Length (L0)
417.4
mm (16.433 in.) |
Wire Diameter (d)
4.00
mm (0.157 in.) |
![]() |
|||
Material: Music Wire
Initial Tension (IT): 1.0 N
Category: Springs - Extension - Stainless Steel |
||||||
Part Number: ES-3493-4174-40-M Extension Springs - 34.9x417.4x4 mm - Music Wire
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$241.86 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
114.3
mm (4.5 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
218.190
mm |
Spring Rate
1.821
N/mm |
Initial Tension (IT)
18.7
N |
![]() |
Material: Steel
Load at L1: 207.470 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1143-31-M Extension Springs - 38.1x114.3x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$85.41 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
114.3
mm (4.5 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
218.190
mm |
![]() |
||
Material: Steel
Spring Rate: 1.821 N/mm
Initial Tension (IT): 18.7 N
Load at L1: 207.470 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1143-31-M Extension Springs - 38.1x114.3x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$85.41 AUD
Regular price
Unit price
/
per
Each
|
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