| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Spring Rate | Initial Tension (IT) |
Indicative Image |
|---|---|---|---|---|---|---|
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
288.800
mm |
Spring Rate
3.450
N/mm |
Initial Tension (IT)
42.3
N |
|
| Material: Steel Load at L1: 469.330 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1651-45-M
Extension Springs - 44.45x165.1x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$105.59 AUD
Regular price
Unit price
per
Each
|
||||||
| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) |
Indicative Image |
||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
288.800
mm |
|
||
| Material: Steel Spring Rate: 3.450 N/mm Initial Tension (IT): 42.3 N Load at L1: 469.330 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1651-45-M
Extension Springs - 44.45x165.1x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$105.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
396.490
mm |
Spring Rate
1.648
N/mm |
Initial Tension (IT)
25.8
N |
|
| Material: Steel Load at L1: 392.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1778-40-M
Extension Springs - 44.45x177.8x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$93.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
396.490
mm |
|
||
| Material: Steel Spring Rate: 1.648 N/mm Initial Tension (IT): 25.8 N Load at L1: 392.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1778-40-M
Extension Springs - 44.45x177.8x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$93.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
274.830
mm |
Spring Rate
5.168
N/mm |
Initial Tension (IT)
64.9
N |
|
| Material: Steel Load at L1: 564.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1778-50-M
Extension Springs - 44.45x177.8x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$134.50 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
274.830
mm |
|
||
| Material: Steel Spring Rate: 5.168 N/mm Initial Tension (IT): 64.9 N Load at L1: 564.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1778-50-M
Extension Springs - 44.45x177.8x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$134.50 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
320.290
mm |
Spring Rate
2.990
N/mm |
Initial Tension (IT)
42.3
N |
|
| Material: Steel Load at L1: 469.330 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1778-45-M
Extension Springs - 44.45x177.8x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$112.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
320.290
mm |
|
||
| Material: Steel Spring Rate: 2.990 N/mm Initial Tension (IT): 42.3 N Load at L1: 469.330 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1778-45-M
Extension Springs - 44.45x177.8x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$112.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
352.040
mm |
Spring Rate
2.640
N/mm |
Initial Tension (IT)
42.3
N |
|
| Material: Steel Load at L1: 469.330 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1905-45-M
Extension Springs - 44.45x190.5x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$119.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
352.040
mm |
|
||
| Material: Steel Spring Rate: 2.640 N/mm Initial Tension (IT): 42.3 N Load at L1: 469.330 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1905-45-M
Extension Springs - 44.45x190.5x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$119.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
439.170
mm |
Spring Rate
1.488
N/mm |
Initial Tension (IT)
25.8
N |
|
| Material: Steel Load at L1: 392.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1905-40-M
Extension Springs - 44.45x190.5x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$98.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
439.170
mm |
|
||
| Material: Steel Spring Rate: 1.488 N/mm Initial Tension (IT): 25.8 N Load at L1: 392.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1905-40-M
Extension Springs - 44.45x190.5x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$98.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
203.2
mm (Equiv. 8 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
481.840
mm |
Spring Rate
1.312
N/mm |
Initial Tension (IT)
25.8
N |
|
| Material: Steel Load at L1: 392.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-2032-40-M
Extension Springs - 44.45x203.2x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$106.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
203.2
mm (Equiv. 8 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
481.840
mm |
|
||
| Material: Steel Spring Rate: 1.312 N/mm Initial Tension (IT): 25.8 N Load at L1: 392.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-2032-40-M
Extension Springs - 44.45x203.2x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$106.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
300.230
mm |
Spring Rate
4.555
N/mm |
Initial Tension (IT)
64.9
N |
|
| Material: Steel Load at L1: 564.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1905-50-M
Extension Springs - 44.45x190.5x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$143.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
300.230
mm |
|
||
| Material: Steel Spring Rate: 4.555 N/mm Initial Tension (IT): 64.9 N Load at L1: 564.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-1905-50-M
Extension Springs - 44.45x190.5x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$143.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
203.2
mm (Equiv. 8 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
383.790
mm |
Spring Rate
2.360
N/mm |
Initial Tension (IT)
42.3
N |
|
| Material: Steel Load at L1: 469.330 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-2032-45-M
Extension Springs - 44.45x203.2x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$126.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
203.2
mm (Equiv. 8 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
383.790
mm |
|
||
| Material: Steel Spring Rate: 2.360 N/mm Initial Tension (IT): 42.3 N Load at L1: 469.330 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-2032-45-M
Extension Springs - 44.45x203.2x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$126.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
228.6
mm (Equiv. 9 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
567.180
mm |
Spring Rate
0.840
N/mm |
Initial Tension (IT)
25.8
N |
|
| Material: Steel Load at L1: 392.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-2286-40-M
Extension Springs - 44.45x228.6x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$117.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
228.6
mm (Equiv. 9 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
567.180
mm |
|
||
| Material: Steel Spring Rate: 0.840 N/mm Initial Tension (IT): 25.8 N Load at L1: 392.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-2286-40-M
Extension Springs - 44.45x228.6x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$117.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
203.2
mm (Equiv. 8 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
325.630
mm |
Spring Rate
4.081
N/mm |
Initial Tension (IT)
64.9
N |
|
| Material: Steel Load at L1: 564.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-2032-50-M
Extension Springs - 44.45x203.2x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$148.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
203.2
mm (Equiv. 8 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
325.630
mm |
|
||
| Material: Steel Spring Rate: 4.081 N/mm Initial Tension (IT): 64.9 N Load at L1: 564.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-2032-50-M
Extension Springs - 44.45x203.2x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$148.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
228.6
mm (Equiv. 9 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
447.290
mm |
Spring Rate
1.961
N/mm |
Initial Tension (IT)
42.3
N |
|
| Material: Steel Load at L1: 469.330 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-2286-45-M
Extension Springs - 44.45x228.6x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$143.14 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
228.6
mm (Equiv. 9 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
447.290
mm |
|
||
| Material: Steel Spring Rate: 1.961 N/mm Initial Tension (IT): 42.3 N Load at L1: 469.330 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-2286-45-M
Extension Springs - 44.45x228.6x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$143.14 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
228.6
mm (Equiv. 9 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
376.170
mm |
Spring Rate
3.366
N/mm |
Initial Tension (IT)
64.9
N |
|
| Material: Steel Load at L1: 564.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-2286-50-M
Extension Springs - 44.45x228.6x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$156.50 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
228.6
mm (Equiv. 9 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
376.170
mm |
|
||
| Material: Steel Spring Rate: 3.366 N/mm Initial Tension (IT): 64.9 N Load at L1: 564.040 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-2286-50-M
Extension Springs - 44.45x228.6x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$156.50 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
44.50
mm (Equiv. 1.752 in.) |
Overall Length (L0)
434.5
mm (Equiv. 17.106 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Initial Tension (IT)
1.5
N |
|
||
| Material: Music Wire Body Length: 355.600 mm End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-4345-50-M
Extension Springs - 44.5x434.5x5 mm Stainless Steel - Music Wire Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$211.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
44.50
mm (Equiv. 1.752 in.) |
Overall Length (L0)
434.5
mm (Equiv. 17.106 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
|
|||
| Material: Music Wire Initial Tension (IT): 1.5 N Body Length: 355.600 mm End Type: Closed - Full Loop | ||||||
|
Part Number: ES-4445-4345-50-M
Extension Springs - 44.5x434.5x5 mm Stainless Steel - Music Wire Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$211.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
228.350
mm |
Spring Rate
4.240
N/mm |
Initial Tension (IT)
37.2
N |
|
| Material: Steel Load at L1: 413.460 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-0254-45-M
Extension Springs - 50.8x25.4x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$49.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
228.350
mm |
|
||
| Material: Steel Spring Rate: 4.240 N/mm Initial Tension (IT): 37.2 N Load at L1: 413.460 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-0254-45-M
Extension Springs - 50.8x25.4x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$49.32 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
202.690
mm |
Spring Rate
7.060
N/mm |
Initial Tension (IT)
57.3
N |
|
| Material: Steel Load at L1: 501.670 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-0254-50-M
Extension Springs - 50.8x25.4x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$61.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
25.4
mm (Equiv. 1 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
202.690
mm |
|
||
| Material: Steel Spring Rate: 7.060 N/mm Initial Tension (IT): 57.3 N Load at L1: 501.670 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-0254-50-M
Extension Springs - 50.8x25.4x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$61.86 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
267.210
mm |
Spring Rate
3.270
N/mm |
Initial Tension (IT)
37.2
N |
|
| Material: Steel Load at L1: 413.460 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1397-45-M
Extension Springs - 50.8x139.7x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$102.77 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
267.210
mm |
|
||
| Material: Steel Spring Rate: 3.270 N/mm Initial Tension (IT): 37.2 N Load at L1: 413.460 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1397-45-M
Extension Springs - 50.8x139.7x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$102.77 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
232.920
mm |
Spring Rate
5.518
N/mm |
Initial Tension (IT)
57.3
N |
|
| Material: Steel Load at L1: 501.670 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1397-50-M
Extension Springs - 50.8x139.7x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$122.77 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
232.920
mm |
|
||
| Material: Steel Spring Rate: 5.518 N/mm Initial Tension (IT): 57.3 N Load at L1: 501.670 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1397-50-M
Extension Springs - 50.8x139.7x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$122.77 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
305.820
mm |
Spring Rate
2.680
N/mm |
Initial Tension (IT)
37.2
N |
|
| Material: Steel Load at L1: 413.460 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1524-45-M
Extension Springs - 50.8x152.4x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$110.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
305.820
mm |
|
||
| Material: Steel Spring Rate: 2.680 N/mm Initial Tension (IT): 37.2 N Load at L1: 413.460 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1524-45-M
Extension Springs - 50.8x152.4x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$110.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
262.890
mm |
Spring Rate
4.455
N/mm |
Initial Tension (IT)
57.3
N |
|
| Material: Steel Load at L1: 501.670 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1524-50-M
Extension Springs - 50.8x152.4x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$134.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
262.890
mm |
|
||
| Material: Steel Spring Rate: 4.455 N/mm Initial Tension (IT): 57.3 N Load at L1: 501.670 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1524-50-M
Extension Springs - 50.8x152.4x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$134.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
344.680
mm |
Spring Rate
2.260
N/mm |
Initial Tension (IT)
37.2
N |
|
| Material: Steel Load at L1: 413.460 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1651-45-M
Extension Springs - 50.8x165.1x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$117.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
344.680
mm |
|
||
| Material: Steel Spring Rate: 2.260 N/mm Initial Tension (IT): 37.2 N Load at L1: 413.460 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1651-45-M
Extension Springs - 50.8x165.1x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$117.68 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
293.120
mm |
Spring Rate
3.850
N/mm |
Initial Tension (IT)
57.3
N |
|
| Material: Steel Load at L1: 501.670 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1651-50-M
Extension Springs - 50.8x165.1x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$146.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
293.120
mm |
|
||
| Material: Steel Spring Rate: 3.850 N/mm Initial Tension (IT): 57.3 N Load at L1: 501.670 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1651-50-M
Extension Springs - 50.8x165.1x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$146.05 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
383.540
mm |
Spring Rate
1.944
N/mm |
Initial Tension (IT)
37.2
N |
|
| Material: Steel Load at L1: 413.460 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1778-45-M
Extension Springs - 50.8x177.8x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$126.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
383.540
mm |
|
||
| Material: Steel Spring Rate: 1.944 N/mm Initial Tension (IT): 37.2 N Load at L1: 413.460 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1778-45-M
Extension Springs - 50.8x177.8x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$126.59 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
323.340
mm |
Spring Rate
3.345
N/mm |
Initial Tension (IT)
57.3
N |
|
| Material: Steel Load at L1: 501.670 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1778-50-M
Extension Springs - 50.8x177.8x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$150.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
OD (D0)
50.80
mm (Equiv. 2 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
323.340
mm |
|
||
| Material: Steel Spring Rate: 3.345 N/mm Initial Tension (IT): 57.3 N Load at L1: 501.670 N End Type: Closed - Full Loop | ||||||
|
Part Number: ES-5080-1778-50-M
Extension Springs - 50.8x177.8x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 23, 2025 Regular price
$150.95 AUD
Regular price
Unit price
per
Each
|
||||||
|
||||||
