| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Spring Rate | Initial Tension (IT) |
Indicative Image |
|---|---|---|---|---|---|---|
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
70.00
mm |
Spring Rate
0.13
N/mm |
Initial Tension (IT)
1.0
N |
|
| Material: Steel Load at L1: 4.81 N | ||||||
|
Part Number: ES-0400-0400-045-M (5 Pcs)
Extension Springs - 4x40x0.45 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025 Regular price
$7.32 AUD
Regular price
Unit price
per
Per 5
|
||||||
| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) |
Indicative Image |
||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
70.00
mm |
|
||
| Material: Steel Spring Rate: 0.13 N/mm Initial Tension (IT): 1.0 N Load at L1: 4.81 N | ||||||
|
Part Number: ES-0400-0400-045-M (5 Pcs)
Extension Springs - 4x40x0.45 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025 Regular price
$7.32 AUD
Regular price
Unit price
per
Per 5
|
||||||
|
||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.500
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
64.00
mm |
Spring Rate
0.22
N/mm |
Initial Tension (IT)
1.2
N |
|
| Material: Steel Load at L1: 6.37 N | ||||||
|
Part Number: ES-0400-0400-05-M (5 Pcs)
Extension Springs - 4x40x0.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025 Regular price
$7.14 AUD
Regular price
Unit price
per
Per 5
|
||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.500
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
64.00
mm |
|
||
| Material: Steel Spring Rate: 0.22 N/mm Initial Tension (IT): 1.2 N Load at L1: 6.37 N | ||||||
|
Part Number: ES-0400-0400-05-M (5 Pcs)
Extension Springs - 4x40x0.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025 Regular price
$7.14 AUD
Regular price
Unit price
per
Per 5
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
12.7
mm (Equiv. 0.5 in.) |
Wire Diameter (d)
0.56
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
18.540
mm |
Spring Rate
1.839
N/mm |
Initial Tension (IT)
0.8
N |
|
| Material: Steel Load at L1: 9.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0127-06-M
Extension Springs - 4.57x12.7x0.56 mm Music Wire - Steel Spring 1 Available Now | Further orders can be expected around Thu, Oct 23, 2025 Regular price
$4.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
12.7
mm (Equiv. 0.5 in.) |
Wire Diameter (d)
0.56
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
18.540
mm |
|
||
| Material: Steel Spring Rate: 1.839 N/mm Initial Tension (IT): 0.8 N Load at L1: 9.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0127-06-M
Extension Springs - 4.57x12.7x0.56 mm Music Wire - Steel Spring 1 Available Now | Further orders can be expected around Thu, Oct 23, 2025 Regular price
$4.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
12.7
mm (Equiv. 0.5 in.) |
Wire Diameter (d)
0.79
mm (Equiv. 0.031 in.) |
Max. Extension (L1)
15.490
mm |
Spring Rate
10.400
N/mm |
Initial Tension (IT)
2.7
N |
|
| Material: Steel Load at L1: 30.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0127-08-M
Extension Springs - 4.57x12.7x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.77 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
12.7
mm (Equiv. 0.5 in.) |
Wire Diameter (d)
0.79
mm (Equiv. 0.031 in.) |
Max. Extension (L1)
15.490
mm |
|
||
| Material: Steel Spring Rate: 10.400 N/mm Initial Tension (IT): 2.7 N Load at L1: 30.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0127-08-M
Extension Springs - 4.57x12.7x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.77 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
19.1
mm (Equiv. 0.752 in.) |
Wire Diameter (d)
0.51
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
37.080
mm |
Spring Rate
0.473
N/mm |
Initial Tension (IT)
0.8
N |
|
| Material: Steel Load at L1: 9.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0191-05-M
Extension Springs - 4.57x19.1x0.51 mm Music Wire - Steel Spring 1 Available Now | Further orders can be expected around Thu, Oct 23, 2025 Regular price
$4.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
19.1
mm (Equiv. 0.752 in.) |
Wire Diameter (d)
0.51
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
37.080
mm |
|
||
| Material: Steel Spring Rate: 0.473 N/mm Initial Tension (IT): 0.8 N Load at L1: 9.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0191-05-M
Extension Springs - 4.57x19.1x0.51 mm Music Wire - Steel Spring 1 Available Now | Further orders can be expected around Thu, Oct 23, 2025 Regular price
$4.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
19.1
mm (Equiv. 0.752 in.) |
Wire Diameter (d)
0.56
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
33.270
mm |
Spring Rate
0.771
N/mm |
Initial Tension (IT)
0.9
N |
|
| Material: Steel Load at L1: 11.570 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0191-06-M
Extension Springs - 4.57x19.1x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
19.1
mm (Equiv. 0.752 in.) |
Wire Diameter (d)
0.56
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
33.270
mm |
|
||
| Material: Steel Spring Rate: 0.771 N/mm Initial Tension (IT): 0.9 N Load at L1: 11.570 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0191-06-M
Extension Springs - 4.57x19.1x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
19.1
mm (Equiv. 0.752 in.) |
Wire Diameter (d)
0.71
mm (Equiv. 0.028 in.) |
Max. Extension (L1)
26.160
mm |
Spring Rate
3.310
N/mm |
Initial Tension (IT)
2.3
N |
|
| Material: Steel Load at L1: 25.890 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0191-07-M
Extension Springs - 4.57x19.1x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
19.1
mm (Equiv. 0.752 in.) |
Wire Diameter (d)
0.71
mm (Equiv. 0.028 in.) |
Max. Extension (L1)
26.160
mm |
|
||
| Material: Steel Spring Rate: 3.310 N/mm Initial Tension (IT): 2.3 N Load at L1: 25.890 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0191-07-M
Extension Springs - 4.57x19.1x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
19.1
mm (Equiv. 0.752 in.) |
Wire Diameter (d)
0.79
mm (Equiv. 0.031 in.) |
Max. Extension (L1)
24.890
mm |
Spring Rate
4.750
N/mm |
Initial Tension (IT)
2.7
N |
|
| Material: Steel Load at L1: 30.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0191-08-M
Extension Springs - 4.57x19.1x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$11.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
19.1
mm (Equiv. 0.752 in.) |
Wire Diameter (d)
0.79
mm (Equiv. 0.031 in.) |
Max. Extension (L1)
24.890
mm |
|
||
| Material: Steel Spring Rate: 4.750 N/mm Initial Tension (IT): 2.7 N Load at L1: 30.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0191-08-M
Extension Springs - 4.57x19.1x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$11.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
19.1
mm (Equiv. 0.752 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
23.620
mm |
Spring Rate
7.830
N/mm |
Initial Tension (IT)
3.6
N |
|
| Material: Steel Load at L1: 39.900 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0191-09-M
Extension Springs - 4.57x19.1x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
19.1
mm (Equiv. 0.752 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
23.620
mm |
|
||
| Material: Steel Spring Rate: 7.830 N/mm Initial Tension (IT): 3.6 N Load at L1: 39.900 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0191-09-M
Extension Springs - 4.57x19.1x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
0.51
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
54.100
mm |
Spring Rate
0.298
N/mm |
Initial Tension (IT)
0.8
N |
|
| Material: Steel Load at L1: 9.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0254-05-M
Extension Springs - 4.57x25.4x0.51 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.23 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
0.51
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
54.100
mm |
|
||
| Material: Steel Spring Rate: 0.298 N/mm Initial Tension (IT): 0.8 N Load at L1: 9.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0254-05-M
Extension Springs - 4.57x25.4x0.51 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.23 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
0.56
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
47.400
mm |
Spring Rate
0.490
N/mm |
Initial Tension (IT)
0.9
N |
|
| Material: Steel Load at L1: 11.570 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0254-06-M
Extension Springs - 4.57x25.4x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
0.56
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
47.400
mm |
|
||
| Material: Steel Spring Rate: 0.490 N/mm Initial Tension (IT): 0.9 N Load at L1: 11.570 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0254-06-M
Extension Springs - 4.57x25.4x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
0.71
mm (Equiv. 0.028 in.) |
Max. Extension (L1)
63.320
mm |
Spring Rate
2.140
N/mm |
Initial Tension (IT)
2.3
N |
|
| Material: Steel Load at L1: 25.890 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0254-07-M
Extension Springs - 4.57x25.4x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.77 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
0.71
mm (Equiv. 0.028 in.) |
Max. Extension (L1)
63.320
mm |
|
||
| Material: Steel Spring Rate: 2.140 N/mm Initial Tension (IT): 2.3 N Load at L1: 25.890 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0254-07-M
Extension Springs - 4.57x25.4x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.77 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
0.79
mm (Equiv. 0.031 in.) |
Max. Extension (L1)
34.290
mm |
Spring Rate
3.120
N/mm |
Initial Tension (IT)
2.7
N |
|
| Material: Steel Load at L1: 30.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0254-08-M
Extension Springs - 4.57x25.4x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
0.79
mm (Equiv. 0.031 in.) |
Max. Extension (L1)
34.290
mm |
|
||
| Material: Steel Spring Rate: 3.120 N/mm Initial Tension (IT): 2.7 N Load at L1: 30.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0254-08-M
Extension Springs - 4.57x25.4x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
32.510
mm |
Spring Rate
5.110
N/mm |
Initial Tension (IT)
3.6
N |
|
| Material: Steel Load at L1: 39.900 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0254-09-M
Extension Springs - 4.57x25.4x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
32.510
mm |
|
||
| Material: Steel Spring Rate: 5.110 N/mm Initial Tension (IT): 3.6 N Load at L1: 39.900 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0254-09-M
Extension Springs - 4.57x25.4x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
31.8
mm (Equiv. 1.252 in.) |
Wire Diameter (d)
0.51
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
71.120
mm |
Spring Rate
0.210
N/mm |
Initial Tension (IT)
0.8
N |
|
| Material: Steel Load at L1: 9.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0318-05-M
Extension Springs - 4.57x31.8x0.51 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
31.8
mm (Equiv. 1.252 in.) |
Wire Diameter (d)
0.51
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
71.120
mm |
|
||
| Material: Steel Spring Rate: 0.210 N/mm Initial Tension (IT): 0.8 N Load at L1: 9.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0318-05-M
Extension Springs - 4.57x31.8x0.51 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
31.8
mm (Equiv. 1.252 in.) |
Wire Diameter (d)
0.56
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
61.720
mm |
Spring Rate
0.350
N/mm |
Initial Tension (IT)
0.9
N |
|
| Material: Steel Load at L1: 11.570 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0318-06-M
Extension Springs - 4.57x31.8x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.41 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
31.8
mm (Equiv. 1.252 in.) |
Wire Diameter (d)
0.56
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
61.720
mm |
|
||
| Material: Steel Spring Rate: 0.350 N/mm Initial Tension (IT): 0.9 N Load at L1: 11.570 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0318-06-M
Extension Springs - 4.57x31.8x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.41 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
31.8
mm (Equiv. 1.252 in.) |
Wire Diameter (d)
0.71
mm (Equiv. 0.028 in.) |
Max. Extension (L1)
46.740
mm |
Spring Rate
1.576
N/mm |
Initial Tension (IT)
2.3
N |
|
| Material: Steel Load at L1: 25.890 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0318-07-M
Extension Springs - 4.57x31.8x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
31.8
mm (Equiv. 1.252 in.) |
Wire Diameter (d)
0.71
mm (Equiv. 0.028 in.) |
Max. Extension (L1)
46.740
mm |
|
||
| Material: Steel Spring Rate: 1.576 N/mm Initial Tension (IT): 2.3 N Load at L1: 25.890 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0318-07-M
Extension Springs - 4.57x31.8x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
31.8
mm (Equiv. 1.252 in.) |
Wire Diameter (d)
0.79
mm (Equiv. 0.031 in.) |
Max. Extension (L1)
43.690
mm |
Spring Rate
2.290
N/mm |
Initial Tension (IT)
2.7
N |
|
| Material: Steel Load at L1: 30.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0318-08-M
Extension Springs - 4.57x31.8x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$6.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
31.8
mm (Equiv. 1.252 in.) |
Wire Diameter (d)
0.79
mm (Equiv. 0.031 in.) |
Max. Extension (L1)
43.690
mm |
|
||
| Material: Steel Spring Rate: 2.290 N/mm Initial Tension (IT): 2.7 N Load at L1: 30.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0318-08-M
Extension Springs - 4.57x31.8x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$6.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
31.8
mm (Equiv. 1.252 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
41.400
mm |
Spring Rate
3.780
N/mm |
Initial Tension (IT)
3.6
N |
|
| Material: Steel Load at L1: 39.900 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0318-09-M
Extension Springs - 4.57x31.8x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$6.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
31.8
mm (Equiv. 1.252 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
41.400
mm |
|
||
| Material: Steel Spring Rate: 3.780 N/mm Initial Tension (IT): 3.6 N Load at L1: 39.900 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0318-09-M
Extension Springs - 4.57x31.8x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$6.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.51
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
88.140
mm |
Spring Rate
0.175
N/mm |
Initial Tension (IT)
0.8
N |
|
| Material: Steel Load at L1: 9.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0381-05-M
Extension Springs - 4.57x38.1x0.51 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.51
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
88.140
mm |
|
||
| Material: Steel Spring Rate: 0.175 N/mm Initial Tension (IT): 0.8 N Load at L1: 9.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0381-05-M
Extension Springs - 4.57x38.1x0.51 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.56
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
75.950
mm |
Spring Rate
0.280
N/mm |
Initial Tension (IT)
0.9
N |
|
| Material: Steel Load at L1: 11.570 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0381-06-M
Extension Springs - 4.57x38.1x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.56
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
75.950
mm |
|
||
| Material: Steel Spring Rate: 0.280 N/mm Initial Tension (IT): 0.9 N Load at L1: 11.570 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0381-06-M
Extension Springs - 4.57x38.1x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.71
mm (Equiv. 0.028 in.) |
Max. Extension (L1)
56.900
mm |
Spring Rate
1.243
N/mm |
Initial Tension (IT)
2.3
N |
|
| Material: Steel Load at L1: 25.890 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0381-07-M
Extension Springs - 4.57x38.1x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.71
mm (Equiv. 0.028 in.) |
Max. Extension (L1)
56.900
mm |
|
||
| Material: Steel Spring Rate: 1.243 N/mm Initial Tension (IT): 2.3 N Load at L1: 25.890 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0381-07-M
Extension Springs - 4.57x38.1x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$5.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.79
mm (Equiv. 0.031 in.) |
Max. Extension (L1)
53.090
mm |
Spring Rate
1.839
N/mm |
Initial Tension (IT)
2.7
N |
|
| Material: Steel Load at L1: 30.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0381-08-M
Extension Springs - 4.57x38.1x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$6.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.79
mm (Equiv. 0.031 in.) |
Max. Extension (L1)
53.090
mm |
|
||
| Material: Steel Spring Rate: 1.839 N/mm Initial Tension (IT): 2.7 N Load at L1: 30.250 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0381-08-M
Extension Springs - 4.57x38.1x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$6.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
50.040
mm |
Spring Rate
3.010
N/mm |
Initial Tension (IT)
3.6
N |
|
| Material: Steel Load at L1: 39.900 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0381-09-M
Extension Springs - 4.57x38.1x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$6.41 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
4.57
mm (Equiv. 0.18 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
50.040
mm |
|
||
| Material: Steel Spring Rate: 3.010 N/mm Initial Tension (IT): 3.6 N Load at L1: 39.900 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-0457-0381-09-M
Extension Springs - 4.57x38.1x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$6.41 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
