OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Spring Rate | Initial Tension (IT) |
Indicative Image |
---|---|---|---|---|---|---|
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
31.8
mm (Equiv. 1.252 in.) |
Wire Diameter (d)
1.60
mm (Equiv. 0.063 in.) |
Max. Extension (L1)
41.400
mm |
Spring Rate
8.210
N/mm |
Initial Tension (IT)
7.6
N |
![]() |
Material: Steel
Load at L1: 83.630 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0318-16-M
Extension Springs - 12.7x31.8x1.6 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.14 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) |
Indicative Image |
||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
31.8
mm (Equiv. 1.252 in.) |
Wire Diameter (d)
1.60
mm (Equiv. 0.063 in.) |
Max. Extension (L1)
41.400
mm |
![]() |
||
Material: Steel
Spring Rate: 8.210 N/mm
Initial Tension (IT): 7.6 N
Load at L1: 83.630 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0318-16-M
Extension Springs - 12.7x31.8x1.6 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.14 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
96.770
mm |
Spring Rate
0.210
N/mm |
Initial Tension (IT)
1.8
N |
![]() |
Material: Steel
Load at L1: 14.110 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0381-09-M
Extension Springs - 12.7x38.1x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
96.770
mm |
![]() |
||
Material: Steel
Spring Rate: 0.210 N/mm
Initial Tension (IT): 1.8 N
Load at L1: 14.110 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0381-09-M
Extension Springs - 12.7x38.1x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.99
mm (Equiv. 0.039 in.) |
Max. Extension (L1)
84.330
mm |
Spring Rate
0.508
N/mm |
Initial Tension (IT)
2.2
N |
![]() |
Material: Steel
Load at L1: 25.800 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0381-10-M
Extension Springs - 12.7x38.1x0.99 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.41 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
0.99
mm (Equiv. 0.039 in.) |
Max. Extension (L1)
84.330
mm |
![]() |
||
Material: Steel
Spring Rate: 0.508 N/mm
Initial Tension (IT): 2.2 N
Load at L1: 25.800 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0381-10-M
Extension Springs - 12.7x38.1x0.99 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.41 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
1.40
mm (Equiv. 0.055 in.) |
Max. Extension (L1)
61.210
mm |
Spring Rate
2.280
N/mm |
Initial Tension (IT)
5.3
N |
![]() |
Material: Steel
Load at L1: 58.270 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0381-14-M
Extension Springs - 12.7x38.1x1.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.05 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
1.40
mm (Equiv. 0.055 in.) |
Max. Extension (L1)
61.210
mm |
![]() |
||
Material: Steel
Spring Rate: 2.280 N/mm
Initial Tension (IT): 5.3 N
Load at L1: 58.270 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0381-14-M
Extension Springs - 12.7x38.1x1.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.05 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
1.25
mm (Equiv. 0.049 in.) |
Max. Extension (L1)
67.060
mm |
Spring Rate
1.366
N/mm |
Initial Tension (IT)
3.9
N |
![]() |
Material: Steel
Load at L1: 43.370 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0381-12-M
Extension Springs - 12.7x38.1x1.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
1.25
mm (Equiv. 0.049 in.) |
Max. Extension (L1)
67.060
mm |
![]() |
||
Material: Steel
Spring Rate: 1.366 N/mm
Initial Tension (IT): 3.9 N
Load at L1: 43.370 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0381-12-M
Extension Springs - 12.7x38.1x1.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
1.60
mm (Equiv. 0.063 in.) |
Max. Extension (L1)
55.120
mm |
Spring Rate
4.470
N/mm |
Initial Tension (IT)
7.6
N |
![]() |
Material: Steel
Load at L1: 83.630 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0381-16-M
Extension Springs - 12.7x38.1x1.6 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
38.1
mm (Equiv. 1.5 in.) |
Wire Diameter (d)
1.60
mm (Equiv. 0.063 in.) |
Max. Extension (L1)
55.120
mm |
![]() |
||
Material: Steel
Spring Rate: 4.470 N/mm
Initial Tension (IT): 7.6 N
Load at L1: 83.630 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0381-16-M
Extension Springs - 12.7x38.1x1.6 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
41.3
mm (Equiv. 1.626 in.) |
Wire Diameter (d)
2.03
mm (Equiv. 0.08 in.) |
Spring Rate
11.59
N/mm |
Initial Tension (IT)
11.6
N |
![]() |
|
Material: Hard Drawn - Zinc
Category: Springs - Extension - Stainless Steel |
||||||
Part Number: ES-1270-0413-20-M
Extension Springs - 12.7x41.3x2.03 mm Stainless Steel - Hard Drawn - Zinc Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$5.50 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
41.3
mm (Equiv. 1.626 in.) |
Wire Diameter (d)
2.03
mm (Equiv. 0.08 in.) |
![]() |
|||
Material: Hard Drawn - Zinc
Spring Rate: 11.59 N/mm
Initial Tension (IT): 11.6 N
Category: Springs - Extension - Stainless Steel |
||||||
Part Number: ES-1270-0413-20-M
Extension Springs - 12.7x41.3x2.03 mm Stainless Steel - Hard Drawn - Zinc Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$5.50 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
44.5
mm (Equiv. 1.752 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
126.490
mm |
Spring Rate
0.145
N/mm |
Initial Tension (IT)
1.8
N |
![]() |
Material: Steel
Load at L1: 14.110 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0445-09-M
Extension Springs - 12.7x44.5x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.41 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
44.5
mm (Equiv. 1.752 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
126.490
mm |
![]() |
||
Material: Steel
Spring Rate: 0.145 N/mm
Initial Tension (IT): 1.8 N
Load at L1: 14.110 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0445-09-M
Extension Springs - 12.7x44.5x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.41 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
44.5
mm (Equiv. 1.752 in.) |
Wire Diameter (d)
0.99
mm (Equiv. 0.039 in.) |
Max. Extension (L1)
108.970
mm |
Spring Rate
0.350
N/mm |
Initial Tension (IT)
2.2
N |
![]() |
Material: Steel
Load at L1: 25.800 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0445-10-M
Extension Springs - 12.7x44.5x0.99 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
44.5
mm (Equiv. 1.752 in.) |
Wire Diameter (d)
0.99
mm (Equiv. 0.039 in.) |
Max. Extension (L1)
108.970
mm |
![]() |
||
Material: Steel
Spring Rate: 0.350 N/mm
Initial Tension (IT): 2.2 N
Load at L1: 25.800 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0445-10-M
Extension Springs - 12.7x44.5x0.99 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
44.5
mm (Equiv. 1.752 in.) |
Wire Diameter (d)
1.25
mm (Equiv. 0.049 in.) |
Max. Extension (L1)
86.110
mm |
Spring Rate
0.946
N/mm |
Initial Tension (IT)
3.9
N |
![]() |
Material: Steel
Load at L1: 43.370 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0445-12-M
Extension Springs - 12.7x44.5x1.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
44.5
mm (Equiv. 1.752 in.) |
Wire Diameter (d)
1.25
mm (Equiv. 0.049 in.) |
Max. Extension (L1)
86.110
mm |
![]() |
||
Material: Steel
Spring Rate: 0.946 N/mm
Initial Tension (IT): 3.9 N
Load at L1: 43.370 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0445-12-M
Extension Springs - 12.7x44.5x1.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
44.5
mm (Equiv. 1.752 in.) |
Wire Diameter (d)
1.40
mm (Equiv. 0.055 in.) |
Max. Extension (L1)
76.450
mm |
Spring Rate
1.576
N/mm |
Initial Tension (IT)
5.3
N |
![]() |
Material: Steel
Load at L1: 58.270 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0445-14-M
Extension Springs - 12.7x44.5x1.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
44.5
mm (Equiv. 1.752 in.) |
Wire Diameter (d)
1.40
mm (Equiv. 0.055 in.) |
Max. Extension (L1)
76.450
mm |
![]() |
||
Material: Steel
Spring Rate: 1.576 N/mm
Initial Tension (IT): 5.3 N
Load at L1: 58.270 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0445-14-M
Extension Springs - 12.7x44.5x1.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
44.5
mm (Equiv. 1.752 in.) |
Wire Diameter (d)
1.60
mm (Equiv. 0.063 in.) |
Max. Extension (L1)
67.560
mm |
Spring Rate
3.270
N/mm |
Initial Tension (IT)
7.6
N |
![]() |
Material: Steel
Load at L1: 83.630 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0445-16-M
Extension Springs - 12.7x44.5x1.6 mm Music Wire - Steel Spring 1 Available Now | Further orders can be expected around Fri, Oct 24, 2025 Regular price
$6.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
44.5
mm (Equiv. 1.752 in.) |
Wire Diameter (d)
1.60
mm (Equiv. 0.063 in.) |
Max. Extension (L1)
67.560
mm |
![]() |
||
Material: Steel
Spring Rate: 3.270 N/mm
Initial Tension (IT): 7.6 N
Load at L1: 83.630 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0445-16-M
Extension Springs - 12.7x44.5x1.6 mm Music Wire - Steel Spring 1 Available Now | Further orders can be expected around Fri, Oct 24, 2025 Regular price
$6.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
50.8
mm (Equiv. 2 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
155.450
mm |
Spring Rate
0.129
N/mm |
Initial Tension (IT)
1.8
N |
![]() |
Material: Steel
Load at L1: 14.110 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0508-09-M
Extension Springs - 12.7x50.8x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
50.8
mm (Equiv. 2 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
155.450
mm |
![]() |
||
Material: Steel
Spring Rate: 0.129 N/mm
Initial Tension (IT): 1.8 N
Load at L1: 14.110 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0508-09-M
Extension Springs - 12.7x50.8x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
50.8
mm (Equiv. 2 in.) |
Wire Diameter (d)
0.99
mm (Equiv. 0.039 in.) |
Max. Extension (L1)
135.380
mm |
Spring Rate
0.263
N/mm |
Initial Tension (IT)
2.2
N |
![]() |
Material: Steel
Load at L1: 25.800 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0508-10-M
Extension Springs - 12.7x50.8x0.99 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
50.8
mm (Equiv. 2 in.) |
Wire Diameter (d)
0.99
mm (Equiv. 0.039 in.) |
Max. Extension (L1)
135.380
mm |
![]() |
||
Material: Steel
Spring Rate: 0.263 N/mm
Initial Tension (IT): 2.2 N
Load at L1: 25.800 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0508-10-M
Extension Springs - 12.7x50.8x0.99 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
50.8
mm (Equiv. 2 in.) |
Wire Diameter (d)
1.40
mm (Equiv. 0.055 in.) |
Max. Extension (L1)
91.440
mm |
Spring Rate
1.296
N/mm |
Initial Tension (IT)
5.3
N |
![]() |
Material: Steel
Load at L1: 58.270 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0508-14-M
Extension Springs - 12.7x50.8x1.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
50.8
mm (Equiv. 2 in.) |
Wire Diameter (d)
1.40
mm (Equiv. 0.055 in.) |
Max. Extension (L1)
91.440
mm |
![]() |
||
Material: Steel
Spring Rate: 1.296 N/mm
Initial Tension (IT): 5.3 N
Load at L1: 58.270 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0508-14-M
Extension Springs - 12.7x50.8x1.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
50.8
mm (Equiv. 2 in.) |
Wire Diameter (d)
1.25
mm (Equiv. 0.049 in.) |
Max. Extension (L1)
105.160
mm |
Spring Rate
0.736
N/mm |
Initial Tension (IT)
3.9
N |
![]() |
Material: Steel
Load at L1: 43.370 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0508-12-M
Extension Springs - 12.7x50.8x1.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.95 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
50.8
mm (Equiv. 2 in.) |
Wire Diameter (d)
1.25
mm (Equiv. 0.049 in.) |
Max. Extension (L1)
105.160
mm |
![]() |
||
Material: Steel
Spring Rate: 0.736 N/mm
Initial Tension (IT): 3.9 N
Load at L1: 43.370 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0508-12-M
Extension Springs - 12.7x50.8x1.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.95 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
50.8
mm (Equiv. 2 in.) |
Wire Diameter (d)
1.60
mm (Equiv. 0.063 in.) |
Max. Extension (L1)
80.260
mm |
Spring Rate
2.590
N/mm |
Initial Tension (IT)
7.6
N |
![]() |
Material: Steel
Load at L1: 83.630 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0508-16-M
Extension Springs - 12.7x50.8x1.6 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.86 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
50.8
mm (Equiv. 2 in.) |
Wire Diameter (d)
1.60
mm (Equiv. 0.063 in.) |
Max. Extension (L1)
80.260
mm |
![]() |
||
Material: Steel
Spring Rate: 2.590 N/mm
Initial Tension (IT): 7.6 N
Load at L1: 83.630 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0508-16-M
Extension Springs - 12.7x50.8x1.6 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.86 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
57.2
mm (Equiv. 2.252 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
187.200
mm |
Spring Rate
0.121
N/mm |
Initial Tension (IT)
1.8
N |
![]() |
Material: Steel
Load at L1: 14.110 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0572-09-M
Extension Springs - 12.7x57.2x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
57.2
mm (Equiv. 2.252 in.) |
Wire Diameter (d)
0.89
mm (Equiv. 0.035 in.) |
Max. Extension (L1)
187.200
mm |
![]() |
||
Material: Steel
Spring Rate: 0.121 N/mm
Initial Tension (IT): 1.8 N
Load at L1: 14.110 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0572-09-M
Extension Springs - 12.7x57.2x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
57.2
mm (Equiv. 2.252 in.) |
Wire Diameter (d)
0.99
mm (Equiv. 0.039 in.) |
Max. Extension (L1)
160.020
mm |
Spring Rate
0.228
N/mm |
Initial Tension (IT)
2.2
N |
![]() |
Material: Steel
Load at L1: 25.800 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0572-10-M
Extension Springs - 12.7x57.2x0.99 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.86 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
57.2
mm (Equiv. 2.252 in.) |
Wire Diameter (d)
0.99
mm (Equiv. 0.039 in.) |
Max. Extension (L1)
160.020
mm |
![]() |
||
Material: Steel
Spring Rate: 0.228 N/mm
Initial Tension (IT): 2.2 N
Load at L1: 25.800 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0572-10-M
Extension Springs - 12.7x57.2x0.99 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$7.86 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
57.2
mm (Equiv. 2.252 in.) |
Wire Diameter (d)
1.40
mm (Equiv. 0.055 in.) |
Max. Extension (L1)
108.970
mm |
Spring Rate
1.068
N/mm |
Initial Tension (IT)
5.3
N |
![]() |
Material: Steel
Load at L1: 58.270 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0572-14-M
Extension Springs - 12.7x57.2x1.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
57.2
mm (Equiv. 2.252 in.) |
Wire Diameter (d)
1.40
mm (Equiv. 0.055 in.) |
Max. Extension (L1)
108.970
mm |
![]() |
||
Material: Steel
Spring Rate: 1.068 N/mm
Initial Tension (IT): 5.3 N
Load at L1: 58.270 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0572-14-M
Extension Springs - 12.7x57.2x1.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
57.2
mm (Equiv. 2.252 in.) |
Wire Diameter (d)
1.25
mm (Equiv. 0.049 in.) |
Max. Extension (L1)
124.210
mm |
Spring Rate
0.595
N/mm |
Initial Tension (IT)
3.9
N |
![]() |
Material: Steel
Load at L1: 43.370 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0572-12-M
Extension Springs - 12.7x57.2x1.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.14 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
57.2
mm (Equiv. 2.252 in.) |
Wire Diameter (d)
1.25
mm (Equiv. 0.049 in.) |
Max. Extension (L1)
124.210
mm |
![]() |
||
Material: Steel
Spring Rate: 0.595 N/mm
Initial Tension (IT): 3.9 N
Load at L1: 43.370 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0572-12-M
Extension Springs - 12.7x57.2x1.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.14 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
57.2
mm (Equiv. 2.252 in.) |
Wire Diameter (d)
1.60
mm (Equiv. 0.063 in.) |
Max. Extension (L1)
92.710
mm |
Spring Rate
2.140
N/mm |
Initial Tension (IT)
7.6
N |
![]() |
Material: Steel
Load at L1: 83.630 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0572-16-M
Extension Springs - 12.7x57.2x1.6 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$9.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
57.2
mm (Equiv. 2.252 in.) |
Wire Diameter (d)
1.60
mm (Equiv. 0.063 in.) |
Max. Extension (L1)
92.710
mm |
![]() |
||
Material: Steel
Spring Rate: 2.140 N/mm
Initial Tension (IT): 7.6 N
Load at L1: 83.630 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0572-16-M
Extension Springs - 12.7x57.2x1.6 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$9.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
63.5
mm (Equiv. 2.5 in.) |
Wire Diameter (d)
0.99
mm (Equiv. 0.039 in.) |
Max. Extension (L1)
185.670
mm |
Spring Rate
0.193
N/mm |
Initial Tension (IT)
2.2
N |
![]() |
Material: Steel
Load at L1: 25.800 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0635-10-M
Extension Springs - 12.7x63.5x0.99 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.05 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
63.5
mm (Equiv. 2.5 in.) |
Wire Diameter (d)
0.99
mm (Equiv. 0.039 in.) |
Max. Extension (L1)
185.670
mm |
![]() |
||
Material: Steel
Spring Rate: 0.193 N/mm
Initial Tension (IT): 2.2 N
Load at L1: 25.800 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0635-10-M
Extension Springs - 12.7x63.5x0.99 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.05 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
63.5
mm (Equiv. 2.5 in.) |
Wire Diameter (d)
1.25
mm (Equiv. 0.049 in.) |
Max. Extension (L1)
143.260
mm |
Spring Rate
0.490
N/mm |
Initial Tension (IT)
3.9
N |
![]() |
Material: Steel
Load at L1: 43.370 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0635-12-M
Extension Springs - 12.7x63.5x1.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
12.70
mm (Equiv. 0.5 in.) |
Overall Length (L0)
63.5
mm (Equiv. 2.5 in.) |
Wire Diameter (d)
1.25
mm (Equiv. 0.049 in.) |
Max. Extension (L1)
143.260
mm |
![]() |
||
Material: Steel
Spring Rate: 0.490 N/mm
Initial Tension (IT): 3.9 N
Load at L1: 43.370 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-1270-0635-12-M
Extension Springs - 12.7x63.5x1.25 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$8.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|