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

Additional resources:
Spings Catalogue PDF
Spring Anchors
Spings Catalogue PDF
Spring Anchors
A more concise listing may be found on the Smallparts store at Springs - Extension. Smallparts promote the most popular MBA products.
OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Spring Rate | Initial Tension (IT) |
Indicative Image |
---|---|---|---|---|---|---|
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
114.3
mm (4.5 in.) |
Wire Diameter (d)
4.01
mm (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
Category: Springs - Extension - Music Wire |
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Part Number: ES-3810-1143-40-M Extension Springs - 38.1x114.3x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$126.59 AUD
Regular price
Unit price
/
per
Each
|
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OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) |
Indicative Image |
||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
114.3
mm (4.5 in.) |
Wire Diameter (d)
4.01
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1143-40-M Extension Springs - 38.1x114.3x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$126.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
114.3
mm (4.5 in.) |
Wire Diameter (d)
4.50
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1143-45-M Extension Springs - 38.1x114.3x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$147.77 AUD
Regular price
Unit price
/
per
Each
|
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OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
114.3
mm (4.5 in.) |
Wire Diameter (d)
4.50
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1143-45-M Extension Springs - 38.1x114.3x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$147.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
127.0
mm (5 in.) |
Wire Diameter (d)
3.15
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1270-31-M Extension Springs - 38.1x127x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$91.32 AUD
Regular price
Unit price
/
per
Each
|
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OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
127.0
mm (5 in.) |
Wire Diameter (d)
3.15
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1270-31-M Extension Springs - 38.1x127x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$91.32 AUD
Regular price
Unit price
/
per
Each
|
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|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
127.0
mm (5 in.) |
Wire Diameter (d)
4.01
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1270-40-M Extension Springs - 38.1x127x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$136.50 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
127.0
mm (5 in.) |
Wire Diameter (d)
4.01
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1270-40-M Extension Springs - 38.1x127x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$136.50 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
127.0
mm (5 in.) |
Wire Diameter (d)
4.50
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1270-45-M Extension Springs - 38.1x127x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$159.59 AUD
Regular price
Unit price
/
per
Each
|
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OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
127.0
mm (5 in.) |
Wire Diameter (d)
4.50
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1270-45-M Extension Springs - 38.1x127x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$159.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
139.7
mm (5.5 in.) |
Wire Diameter (d)
3.15
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1397-31-M Extension Springs - 38.1x139.7x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$98.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
139.7
mm (5.5 in.) |
Wire Diameter (d)
3.15
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1397-31-M Extension Springs - 38.1x139.7x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$98.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
139.7
mm (5.5 in.) |
Wire Diameter (d)
4.01
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1397-40-M Extension Springs - 38.1x139.7x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$145.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
139.7
mm (5.5 in.) |
Wire Diameter (d)
4.01
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1397-40-M Extension Springs - 38.1x139.7x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$145.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
139.7
mm (5.5 in.) |
Wire Diameter (d)
4.50
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1397-45-M Extension Springs - 38.1x139.7x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$172.14 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
139.7
mm (5.5 in.) |
Wire Diameter (d)
4.50
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1397-45-M Extension Springs - 38.1x139.7x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$172.14 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
152.4
mm (6 in.) |
Wire Diameter (d)
3.15
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1524-31-M Extension Springs - 38.1x152.4x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$105.95 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
152.4
mm (6 in.) |
Wire Diameter (d)
3.15
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1524-31-M Extension Springs - 38.1x152.4x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$105.95 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
152.4
mm (6 in.) |
Wire Diameter (d)
4.01
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1524-40-M Extension Springs - 38.1x152.4x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$155.41 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
152.4
mm (6 in.) |
Wire Diameter (d)
4.01
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1524-40-M Extension Springs - 38.1x152.4x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$155.41 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
152.4
mm (6 in.) |
Wire Diameter (d)
4.50
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1524-45-M Extension Springs - 38.1x152.4x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$183.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
152.4
mm (6 in.) |
Wire Diameter (d)
4.50
mm (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
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1524-45-M Extension Springs - 38.1x152.4x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$183.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
165.1
mm (6.5 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
396.750
mm |
Spring Rate
0.823
N/mm |
Initial Tension (IT)
18.7
N |
![]() |
Material: Steel
Load at L1: 207.470 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1651-31-M Extension Springs - 38.1x165.1x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$112.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
165.1
mm (6.5 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
396.750
mm |
![]() |
||
Material: Steel
Spring Rate: 0.823 N/mm
Initial Tension (IT): 18.7 N
Load at L1: 207.470 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1651-31-M Extension Springs - 38.1x165.1x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$112.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
165.1
mm (6.5 in.) |
Wire Diameter (d)
4.01
mm (0.158 in.) |
Max. Extension (L1)
319.530
mm |
Spring Rate
2.768
N/mm |
Initial Tension (IT)
29.8
N |
![]() |
Material: Steel
Load at L1: 456.700 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1651-40-M Extension Springs - 38.1x165.1x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$165.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
165.1
mm (6.5 in.) |
Wire Diameter (d)
4.01
mm (0.158 in.) |
Max. Extension (L1)
319.530
mm |
![]() |
||
Material: Steel
Spring Rate: 2.768 N/mm
Initial Tension (IT): 29.8 N
Load at L1: 456.700 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1651-40-M Extension Springs - 38.1x165.1x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$165.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
165.1
mm (6.5 in.) |
Wire Diameter (d)
4.50
mm (0.177 in.) |
Max. Extension (L1)
264.410
mm |
Spring Rate
4.970
N/mm |
Initial Tension (IT)
48.8
N |
![]() |
Material: Steel
Load at L1: 542.240 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1651-45-M Extension Springs - 38.1x165.1x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$195.50 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
165.1
mm (6.5 in.) |
Wire Diameter (d)
4.50
mm (0.177 in.) |
Max. Extension (L1)
264.410
mm |
![]() |
||
Material: Steel
Spring Rate: 4.970 N/mm
Initial Tension (IT): 48.8 N
Load at L1: 542.240 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1651-45-M Extension Springs - 38.1x165.1x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$195.50 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
177.8
mm (7 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
441.200
mm |
Spring Rate
0.718
N/mm |
Initial Tension (IT)
18.7
N |
![]() |
Material: Steel
Load at L1: 207.470 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1778-31-M Extension Springs - 38.1x177.8x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$120.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
177.8
mm (7 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
441.200
mm |
![]() |
||
Material: Steel
Spring Rate: 0.718 N/mm
Initial Tension (IT): 18.7 N
Load at L1: 207.470 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1778-31-M Extension Springs - 38.1x177.8x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$120.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
177.8
mm (7 in.) |
Wire Diameter (d)
4.01
mm (0.158 in.) |
Max. Extension (L1)
353.160
mm |
Spring Rate
2.417
N/mm |
Initial Tension (IT)
29.8
N |
![]() |
Material: Steel
Load at L1: 456.700 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1778-40-M Extension Springs - 38.1x177.8x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$175.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
177.8
mm (7 in.) |
Wire Diameter (d)
4.01
mm (0.158 in.) |
Max. Extension (L1)
353.160
mm |
![]() |
||
Material: Steel
Spring Rate: 2.417 N/mm
Initial Tension (IT): 29.8 N
Load at L1: 456.700 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1778-40-M Extension Springs - 38.1x177.8x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$175.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
177.8
mm (7 in.) |
Wire Diameter (d)
4.50
mm (0.177 in.) |
Max. Extension (L1)
290.070
mm |
Spring Rate
4.400
N/mm |
Initial Tension (IT)
48.8
N |
![]() |
Material: Steel
Load at L1: 542.240 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1778-45-M Extension Springs - 38.1x177.8x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$207.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
177.8
mm (7 in.) |
Wire Diameter (d)
4.50
mm (0.177 in.) |
Max. Extension (L1)
290.070
mm |
![]() |
||
Material: Steel
Spring Rate: 4.400 N/mm
Initial Tension (IT): 48.8 N
Load at L1: 542.240 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1778-45-M Extension Springs - 38.1x177.8x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$207.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
190.5
mm (7.5 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
485.700
mm |
Spring Rate
0.631
N/mm |
Initial Tension (IT)
18.7
N |
![]() |
Material: Steel
Load at L1: 207.470 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1905-31-M Extension Springs - 38.1x190.5x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$128.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
190.5
mm (7.5 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
485.700
mm |
![]() |
||
Material: Steel
Spring Rate: 0.631 N/mm
Initial Tension (IT): 18.7 N
Load at L1: 207.470 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1905-31-M Extension Springs - 38.1x190.5x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$128.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
190.5
mm (7.5 in.) |
Wire Diameter (d)
4.01
mm (0.158 in.) |
Max. Extension (L1)
386.590
mm |
Spring Rate
2.172
N/mm |
Initial Tension (IT)
29.8
N |
![]() |
Material: Steel
Load at L1: 456.700 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1905-40-M Extension Springs - 38.1x190.5x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$186.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
190.5
mm (7.5 in.) |
Wire Diameter (d)
4.01
mm (0.158 in.) |
Max. Extension (L1)
386.590
mm |
![]() |
||
Material: Steel
Spring Rate: 2.172 N/mm
Initial Tension (IT): 29.8 N
Load at L1: 456.700 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1905-40-M Extension Springs - 38.1x190.5x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$186.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
190.5
mm (7.5 in.) |
Wire Diameter (d)
4.50
mm (0.177 in.) |
Max. Extension (L1)
315.980
mm |
Spring Rate
3.940
N/mm |
Initial Tension (IT)
48.8
N |
![]() |
Material: Steel
Load at L1: 542.240 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1905-45-M Extension Springs - 38.1x190.5x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$221.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
190.5
mm (7.5 in.) |
Wire Diameter (d)
4.50
mm (0.177 in.) |
Max. Extension (L1)
315.980
mm |
![]() |
||
Material: Steel
Spring Rate: 3.940 N/mm
Initial Tension (IT): 48.8 N
Load at L1: 542.240 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-1905-45-M Extension Springs - 38.1x190.5x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$221.59 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
203.2
mm (8 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
530.610
mm |
Spring Rate
0.578
N/mm |
Initial Tension (IT)
18.7
N |
![]() |
Material: Steel
Load at L1: 207.470 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-2032-31-M Extension Springs - 38.1x203.2x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$138.95 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
203.2
mm (8 in.) |
Wire Diameter (d)
3.15
mm (0.124 in.) |
Max. Extension (L1)
530.610
mm |
![]() |
||
Material: Steel
Spring Rate: 0.578 N/mm
Initial Tension (IT): 18.7 N
Load at L1: 207.470 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-2032-31-M Extension Springs - 38.1x203.2x3.15 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$138.95 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
203.2
mm (8 in.) |
Wire Diameter (d)
4.01
mm (0.158 in.) |
Max. Extension (L1)
420.120
mm |
Spring Rate
1.962
N/mm |
Initial Tension (IT)
29.8
N |
![]() |
Material: Steel
Load at L1: 456.700 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-2032-40-M Extension Springs - 38.1x203.2x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$197.05 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
203.2
mm (8 in.) |
Wire Diameter (d)
4.01
mm (0.158 in.) |
Max. Extension (L1)
420.120
mm |
![]() |
||
Material: Steel
Spring Rate: 1.962 N/mm
Initial Tension (IT): 29.8 N
Load at L1: 456.700 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-2032-40-M Extension Springs - 38.1x203.2x4.01 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$197.05 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
203.2
mm (8 in.) |
Wire Diameter (d)
4.50
mm (0.177 in.) |
Max. Extension (L1)
341.630
mm |
Spring Rate
3.560
N/mm |
Initial Tension (IT)
48.8
N |
![]() |
Material: Steel
Load at L1: 542.240 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-2032-45-M Extension Springs - 38.1x203.2x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$234.14 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
203.2
mm (8 in.) |
Wire Diameter (d)
4.50
mm (0.177 in.) |
Max. Extension (L1)
341.630
mm |
![]() |
||
Material: Steel
Spring Rate: 3.560 N/mm
Initial Tension (IT): 48.8 N
Load at L1: 542.240 N
Category: Springs - Extension - Music Wire |
||||||
Part Number: ES-3810-2032-45-M Extension Springs - 38.1x203.2x4.5 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$234.14 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
371.0
mm (14.606 in.) |
Wire Diameter (d)
5.00
mm (0.197 in.) |
Initial Tension (IT)
2.9
N |
![]() |
||
Material: Music Wire
Category: Springs - Extension - Stainless Steel |
||||||
Part Number: ES-3810-3710-50-M Extension Springs - 38.1x371x5 mm - Music Wire
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$284.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
OD (D0)
38.10
mm (1.5 in.) |
Overall Length (L0)
371.0
mm (14.606 in.) |
Wire Diameter (d)
5.00
mm (0.197 in.) |
![]() |
|||
Material: Music Wire
Initial Tension (IT): 2.9 N
Category: Springs - Extension - Stainless Steel |
||||||
Part Number: ES-3810-3710-50-M Extension Springs - 38.1x371x5 mm - Music Wire
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025 Regular price
$284.68 AUD
Regular price
Unit price
/
per
Each
|
||||||
|