| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Spring Rate | Initial Tension (IT) |
Indicative Image |
|---|---|---|---|---|---|---|
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1651-31-M
Extension Springs - 31.75x165.1x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$48.05 AUD
Regular price
Unit price
per
Each
|
||||||
| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) |
Indicative Image |
||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1651-31-M
Extension Springs - 31.75x165.1x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$48.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1778-31-M
Extension Springs - 31.75x177.8x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$51.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1778-31-M
Extension Springs - 31.75x177.8x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$51.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
2.49
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1778-25-M
Extension Springs - 31.75x177.8x2.49 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
Unit price
per
Each
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
2.49
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1778-25-M
Extension Springs - 31.75x177.8x2.49 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
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
3.56
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1778-36-M
Extension Springs - 31.75x177.8x3.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$63.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
3.56
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1778-36-M
Extension Springs - 31.75x177.8x3.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$63.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1905-31-M
Extension Springs - 31.75x190.5x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$54.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1905-31-M
Extension Springs - 31.75x190.5x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$54.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
2.49
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1905-25-M
Extension Springs - 31.75x190.5x2.49 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$38.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
2.49
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1905-25-M
Extension Springs - 31.75x190.5x2.49 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$38.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
3.56
mm (Equiv. 0.14 in.) |
Max. Extension (L1)
331.220
mm |
Spring Rate
1.874
N/mm |
Initial Tension (IT)
35.4
N |
|
| Material: Steel Load at L1: 300.460 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1905-36-M
Extension Springs - 31.75x190.5x3.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$67.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
3.56
mm (Equiv. 0.14 in.) |
Max. Extension (L1)
331.220
mm |
|
||
| Material: Steel Spring Rate: 1.874 N/mm Initial Tension (IT): 35.4 N Load at L1: 300.460 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-1905-36-M
Extension Springs - 31.75x190.5x3.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$67.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
184.2
mm (Equiv. 7.252 in.) |
Wire Diameter (d)
5.33
mm (Equiv. 0.21 in.) |
Spring Rate
15.32
N/mm |
Initial Tension (IT)
15.3
N |
|
|
| Material: Steel | ||||||
|
Part Number: ES-3175-1842-53-M
Extension Springs - 31.75x184.2x5.33 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025 Regular price
$70.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
31.75
mm (Equiv. 1.25 in.) |
Overall Length (L0)
184.2
mm (Equiv. 7.252 in.) |
Wire Diameter (d)
5.33
mm (Equiv. 0.21 in.) |
|
|||
| Material: Steel Spring Rate: 15.32 N/mm Initial Tension (IT): 15.3 N | ||||||
|
Part Number: ES-3175-1842-53-M
Extension Springs - 31.75x184.2x5.33 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025 Regular price
$70.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
31.80
mm (Equiv. 1.252 in.) |
Overall Length (L0)
360.3
mm (Equiv. 14.185 in.) |
Wire Diameter (d)
4.00
mm (Equiv. 0.157 in.) |
Initial Tension (IT)
1.6
N |
|
||
| Material: Music Wire Body Length: 304.800 mm End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-3603-40-M
Extension Springs - 31.8x360.3x4 mm Stainless Steel - Music Wire Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$127.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
31.80
mm (Equiv. 1.252 in.) |
Overall Length (L0)
360.3
mm (Equiv. 14.185 in.) |
Wire Diameter (d)
4.00
mm (Equiv. 0.157 in.) |
|
|||
| Material: Music Wire Initial Tension (IT): 1.6 N Body Length: 304.800 mm End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-3603-40-M
Extension Springs - 31.8x360.3x4 mm Stainless Steel - Music Wire Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$127.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
31.80
mm (Equiv. 1.252 in.) |
Overall Length (L0)
410.1
mm (Equiv. 16.146 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Initial Tension (IT)
2.6
N |
|
||
| Material: Music Wire Body Length: 355.600 mm End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-4101-45-M
Extension Springs - 31.8x410.1x4.5 mm Stainless Steel - Music Wire Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$160.14 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
31.80
mm (Equiv. 1.252 in.) |
Overall Length (L0)
410.1
mm (Equiv. 16.146 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
|
|||
| Material: Music Wire Initial Tension (IT): 2.6 N Body Length: 355.600 mm End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3175-4101-45-M
Extension Springs - 31.8x410.1x4.5 mm Stainless Steel - Music Wire Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$160.14 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
33.30
mm (Equiv. 1.311 in.) |
Overall Length (L0)
186.5
mm (Equiv. 7.343 in.) |
Wire Diameter (d)
3.60
mm (Equiv. 0.142 in.) |
Initial Tension (IT)
1.7
N |
|
||
| Material: Music Wire Body Length: 127.000 mm End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3334-1865-36-M
Extension Springs - 33.3x186.5x3.6 mm Stainless Steel - Music Wire Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$62.50 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
33.30
mm (Equiv. 1.311 in.) |
Overall Length (L0)
186.5
mm (Equiv. 7.343 in.) |
Wire Diameter (d)
3.60
mm (Equiv. 0.142 in.) |
|
|||
| Material: Music Wire Initial Tension (IT): 1.7 N Body Length: 127.000 mm End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3334-1865-36-M
Extension Springs - 33.3x186.5x3.6 mm Stainless Steel - Music Wire Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$62.50 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
34.90
mm (Equiv. 1.374 in.) |
Overall Length (L0)
417.4
mm (Equiv. 16.433 in.) |
Wire Diameter (d)
4.00
mm (Equiv. 0.157 in.) |
Initial Tension (IT)
1.0
N |
|
||
| Material: Music Wire Body Length: 355.600 mm End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3493-4174-40-M
Extension Springs - 34.9x417.4x4 mm Stainless Steel - Music Wire Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$152.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
34.90
mm (Equiv. 1.374 in.) |
Overall Length (L0)
417.4
mm (Equiv. 16.433 in.) |
Wire Diameter (d)
4.00
mm (Equiv. 0.157 in.) |
|
|||
| Material: Music Wire Initial Tension (IT): 1.0 N Body Length: 355.600 mm End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3493-4174-40-M
Extension Springs - 34.9x417.4x4 mm Stainless Steel - Music Wire Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$152.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
114.3
mm (Equiv. 4.5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
185.420
mm |
Spring Rate
6.009
N/mm |
Initial Tension (IT)
29.8
N |
|
| Material: Steel Load at L1: 456.700 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1143-40-M
Extension Springs - 38.1x114.3x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$60.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
114.3
mm (Equiv. 4.5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
185.420
mm |
|
||
| Material: Steel Spring Rate: 6.009 N/mm Initial Tension (IT): 29.8 N Load at L1: 456.700 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1143-40-M
Extension Springs - 38.1x114.3x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$60.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
114.3
mm (Equiv. 4.5 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1143-31-M
Extension Springs - 38.1x114.3x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$40.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
114.3
mm (Equiv. 4.5 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 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 End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1143-31-M
Extension Springs - 38.1x114.3x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$40.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
114.3
mm (Equiv. 4.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
161.290
mm |
Spring Rate
10.490
N/mm |
Initial Tension (IT)
48.8
N |
|
| Material: Steel Load at L1: 542.240 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1143-45-M
Extension Springs - 38.1x114.3x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$70.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
114.3
mm (Equiv. 4.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
161.290
mm |
|
||
| Material: Steel Spring Rate: 10.490 N/mm Initial Tension (IT): 48.8 N Load at L1: 542.240 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1143-45-M
Extension Springs - 38.1x114.3x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$70.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
127.0
mm (Equiv. 5 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 0.124 in.) |
Max. Extension (L1)
262.640
mm |
Spring Rate
1.384
N/mm |
Initial Tension (IT)
18.7
N |
|
| Material: Steel Load at L1: 207.470 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1270-31-M
Extension Springs - 38.1x127x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$43.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
127.0
mm (Equiv. 5 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 0.124 in.) |
Max. Extension (L1)
262.640
mm |
|
||
| Material: Steel Spring Rate: 1.384 N/mm Initial Tension (IT): 18.7 N Load at L1: 207.470 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1270-31-M
Extension Springs - 38.1x127x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$43.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
127.0
mm (Equiv. 5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
187.200
mm |
Spring Rate
8.210
N/mm |
Initial Tension (IT)
48.8
N |
|
| Material: Steel Load at L1: 542.240 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1270-45-M
Extension Springs - 38.1x127x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$75.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
127.0
mm (Equiv. 5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
187.200
mm |
|
||
| Material: Steel Spring Rate: 8.210 N/mm Initial Tension (IT): 48.8 N Load at L1: 542.240 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1270-45-M
Extension Springs - 38.1x127x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$75.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
127.0
mm (Equiv. 5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
218.950
mm |
Spring Rate
4.642
N/mm |
Initial Tension (IT)
29.8
N |
|
| Material: Steel Load at L1: 456.700 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1270-40-M
Extension Springs - 38.1x127x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$65.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
127.0
mm (Equiv. 5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
218.950
mm |
|
||
| Material: Steel Spring Rate: 4.642 N/mm Initial Tension (IT): 29.8 N Load at L1: 456.700 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1270-40-M
Extension Springs - 38.1x127x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$65.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
252.480
mm |
Spring Rate
3.784
N/mm |
Initial Tension (IT)
29.8
N |
|
| Material: Steel Load at L1: 456.700 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1397-40-M
Extension Springs - 38.1x139.7x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$69.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
252.480
mm |
|
||
| Material: Steel Spring Rate: 3.784 N/mm Initial Tension (IT): 29.8 N Load at L1: 456.700 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1397-40-M
Extension Springs - 38.1x139.7x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$69.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 0.124 in.) |
Max. Extension (L1)
307.340
mm |
Spring Rate
1.121
N/mm |
Initial Tension (IT)
18.7
N |
|
| Material: Steel Load at L1: 207.470 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1397-31-M
Extension Springs - 38.1x139.7x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$46.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 0.124 in.) |
Max. Extension (L1)
307.340
mm |
|
||
| Material: Steel Spring Rate: 1.121 N/mm Initial Tension (IT): 18.7 N Load at L1: 207.470 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1397-31-M
Extension Springs - 38.1x139.7x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$46.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
212.850
mm |
Spring Rate
6.740
N/mm |
Initial Tension (IT)
48.8
N |
|
| Material: Steel Load at L1: 542.240 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1397-45-M
Extension Springs - 38.1x139.7x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$81.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
212.850
mm |
|
||
| Material: Steel Spring Rate: 6.740 N/mm Initial Tension (IT): 48.8 N Load at L1: 542.240 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1397-45-M
Extension Springs - 38.1x139.7x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$81.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 0.124 in.) |
Max. Extension (L1)
352.040
mm |
Spring Rate
0.946
N/mm |
Initial Tension (IT)
18.7
N |
|
| Material: Steel Load at L1: 207.470 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1524-31-M
Extension Springs - 38.1x152.4x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$50.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
3.15
mm (Equiv. 0.124 in.) |
Max. Extension (L1)
352.040
mm |
|
||
| Material: Steel Spring Rate: 0.946 N/mm Initial Tension (IT): 18.7 N Load at L1: 207.470 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1524-31-M
Extension Springs - 38.1x152.4x3.15 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$50.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
286.000
mm |
Spring Rate
3.188
N/mm |
Initial Tension (IT)
29.8
N |
|
| Material: Steel Load at L1: 456.700 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1524-40-M
Extension Springs - 38.1x152.4x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$73.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
286.000
mm |
|
||
| Material: Steel Spring Rate: 3.188 N/mm Initial Tension (IT): 29.8 N Load at L1: 456.700 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1524-40-M
Extension Springs - 38.1x152.4x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$73.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
238.760
mm |
Spring Rate
5.730
N/mm |
Initial Tension (IT)
48.8
N |
|
| Material: Steel Load at L1: 542.240 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1524-45-M
Extension Springs - 38.1x152.4x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$87.23 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
238.760
mm |
|
||
| Material: Steel Spring Rate: 5.730 N/mm Initial Tension (IT): 48.8 N Load at L1: 542.240 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-3810-1524-45-M
Extension Springs - 38.1x152.4x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$87.23 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
