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Collection: Springs - Extension - Music Wire

Springs (With Images)

Extension

Music Wire
Stainless Steel

894 Products in this selection

Includes long lengths up to 1 metre
Zinc Plated Spring Steel not recommended for applications exceeding 121 ^oC (250 Deg F).
302 Stainless springs not recommended for applications exceeding 260 ^oC (500 Deg F).
302 stainless steel is slightly magnetic.

Additional resources:
Spings Catalogue PDF
Spring Anchors

A more concise listing may be found on the Smallparts store at Springs - Extension - Music Wire. 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) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 165.1 mm _{(6.5 in.)}	Wire Diameter (d) 3.56 mm _{(0.14 in.)}	Max. Extension (L1) 279.150 mm	Spring Rate 2.330 N/mm	Initial Tension (IT) 35.4 N
Material: Steel Load at L1: 300.460 N End Type: Closed - Full Loop
Part Number: ES-3175-1651-36-M Extension Springs - 31.75x165.1x3.56 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $127.68 AUD Regular price Sale price $127.68 AUD Unit price per Each
OD (D0)	Overall Length (L0)	Wire Diameter (d)	Max. Extension (L1)	Indicative Image
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 165.1 mm _{(6.5 in.)}	Wire Diameter (d) 3.56 mm _{(0.14 in.)}	Max. Extension (L1) 279.150 mm
Material: Steel Spring Rate: 2.330 N/mm Initial Tension (IT): 35.4 N Load at L1: 300.460 N End Type: Closed - Full Loop
Part Number: ES-3175-1651-36-M Extension Springs - 31.75x165.1x3.56 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $127.68 AUD Regular price Sale price $127.68 AUD Unit price per Each View the product page first if you are unsure.
ES-3175-1651-36-M --- Extension Springs - 31.75x165.1x3.56 mm - Steel ES-3175-1651-36-M --- Extension Springs - 31.75x165.1x3.56 mm - Steel Regular price $127.68 AUD Regular price Sale price $127.68 AUD Unit price per Out of stock! Backorder Now
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 177.8 mm _{(7 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 556.510 mm	Spring Rate 0.315 N/mm	Initial Tension (IT) 10.4 N
Material: Steel Load at L1: 147.780 N End Type: Closed - Full Loop
Part Number: ES-3175-1778-25-M Extension Springs - 31.75x177.8x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $76.86 AUD Regular price Sale price $76.86 AUD Unit price per Each
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 177.8 mm _{(7 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 556.510 mm
Material: Steel Spring Rate: 0.315 N/mm Initial Tension (IT): 10.4 N Load at L1: 147.780 N End Type: Closed - Full Loop
Part Number: ES-3175-1778-25-M Extension Springs - 31.75x177.8x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $76.86 AUD Regular price Sale price $76.86 AUD Unit price per Each View the product page first if you are unsure.
ES-3175-1778-25-M --- Extension Springs - 31.75x177.8x2.49 mm - Steel ES-3175-1778-25-M --- Extension Springs - 31.75x177.8x2.49 mm - Steel Regular price $76.86 AUD Regular price Sale price $76.86 AUD Unit price per Out of stock! Backorder Now
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 177.8 mm _{(7 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 416.560 mm	Spring Rate 1.121 N/mm	Initial Tension (IT) 17.6 N
Material: Steel Load at L1: 283.910 N End Type: Closed - Full Loop
Part Number: ES-3175-1778-31-M Extension Springs - 31.75x177.8x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $108.05 AUD Regular price Sale price $108.05 AUD Unit price per Each
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 177.8 mm _{(7 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 416.560 mm
Material: Steel Spring Rate: 1.121 N/mm Initial Tension (IT): 17.6 N Load at L1: 283.910 N End Type: Closed - Full Loop
Part Number: ES-3175-1778-31-M Extension Springs - 31.75x177.8x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $108.05 AUD Regular price Sale price $108.05 AUD Unit price per Each View the product page first if you are unsure.
ES-3175-1778-31-M --- Extension Springs - 31.75x177.8x3.15 mm - Steel ES-3175-1778-31-M --- Extension Springs - 31.75x177.8x3.15 mm - Steel Regular price $108.05 AUD Regular price Sale price $108.05 AUD Unit price per Out of stock! Backorder Now
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 177.8 mm _{(7 in.)}	Wire Diameter (d) 3.56 mm _{(0.14 in.)}	Max. Extension (L1) 305.050 mm	Spring Rate 2.067 N/mm	Initial Tension (IT) 35.4 N
Material: Steel Load at L1: 300.460 N End Type: Closed - Full Loop
Part Number: ES-3175-1778-36-M Extension Springs - 31.75x177.8x3.56 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $134.32 AUD Regular price Sale price $134.32 AUD Unit price per Each
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 177.8 mm _{(7 in.)}	Wire Diameter (d) 3.56 mm _{(0.14 in.)}	Max. Extension (L1) 305.050 mm
Material: Steel Spring Rate: 2.067 N/mm Initial Tension (IT): 35.4 N Load at L1: 300.460 N End Type: Closed - Full Loop
Part Number: ES-3175-1778-36-M Extension Springs - 31.75x177.8x3.56 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $134.32 AUD Regular price Sale price $134.32 AUD Unit price per Each View the product page first if you are unsure.
ES-3175-1778-36-M --- Extension Springs - 31.75x177.8x3.56 mm - Steel ES-3175-1778-36-M --- Extension Springs - 31.75x177.8x3.56 mm - Steel Regular price $134.32 AUD Regular price Sale price $134.32 AUD Unit price per Out of stock! Backorder Now
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 184.2 mm _{(7.252 in.)}	Wire Diameter (d) 5.33 mm _{(0.21 in.)}		Spring Rate 15.32 N/mm	Initial Tension (IT) 15.3 N
Material: Steel
Part Number: ES-3175-1842-53-M Extension Springs - 31.75x184.2x5.33 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jun 03, 2025 Regular price $147.23 AUD Regular price Sale price $147.23 AUD Unit price per Each
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 184.2 mm _{(7.252 in.)}	Wire Diameter (d) 5.33 mm _{(0.21 in.)}
Material: Steel Spring Rate: 15.32 N/mm Initial Tension (IT): 15.3 N
Part Number: ES-3175-1842-53-M Extension Springs - 31.75x184.2x5.33 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jun 03, 2025 Regular price $147.23 AUD Regular price Sale price $147.23 AUD Unit price per Each View the product page first if you are unsure.
ES-3175-1842-53-M --- Extension Springs - 31.75x184.2x5.33 mm - Steel ES-3175-1842-53-M --- Extension Springs - 31.75x184.2x5.33 mm - Steel Regular price $147.23 AUD Regular price Sale price $147.23 AUD Unit price per Out of stock! Backorder Now
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 190.5 mm _{(7.5 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 610.620 mm	Spring Rate 0.280 N/mm	Initial Tension (IT) 10.4 N
Material: Steel Load at L1: 147.780 N End Type: Closed - Full Loop
Part Number: ES-3175-1905-25-M Extension Springs - 31.75x190.5x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $81.23 AUD Regular price Sale price $81.23 AUD Unit price per Each
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 190.5 mm _{(7.5 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 610.620 mm
Material: Steel Spring Rate: 0.280 N/mm Initial Tension (IT): 10.4 N Load at L1: 147.780 N End Type: Closed - Full Loop
Part Number: ES-3175-1905-25-M Extension Springs - 31.75x190.5x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $81.23 AUD Regular price Sale price $81.23 AUD Unit price per Each View the product page first if you are unsure.
ES-3175-1905-25-M --- Extension Springs - 31.75x190.5x2.49 mm - Steel ES-3175-1905-25-M --- Extension Springs - 31.75x190.5x2.49 mm - Steel Regular price $81.23 AUD Regular price Sale price $81.23 AUD Unit price per Out of stock! Backorder Now
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 190.5 mm _{(7.5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 455.170 mm	Spring Rate 0.948 N/mm	Initial Tension (IT) 17.6 N
Material: Steel Load at L1: 283.910 N End Type: Closed - Full Loop
Part Number: ES-3175-1905-31-M Extension Springs - 31.75x190.5x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $114.77 AUD Regular price Sale price $114.77 AUD Unit price per Each
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 190.5 mm _{(7.5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 455.170 mm
Material: Steel Spring Rate: 0.948 N/mm Initial Tension (IT): 17.6 N Load at L1: 283.910 N End Type: Closed - Full Loop
Part Number: ES-3175-1905-31-M Extension Springs - 31.75x190.5x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $114.77 AUD Regular price Sale price $114.77 AUD Unit price per Each View the product page first if you are unsure.
ES-3175-1905-31-M --- Extension Springs - 31.75x190.5x3.15 mm - Steel ES-3175-1905-31-M --- Extension Springs - 31.75x190.5x3.15 mm - Steel Regular price $114.77 AUD Regular price Sale price $114.77 AUD Unit price per Out of stock! Backorder Now
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 190.5 mm _{(7.5 in.)}	Wire Diameter (d) 3.56 mm _{(0.14 in.)}	Max. Extension (L1) 331.220 mm	Spring Rate 1.874 N/mm	Initial Tension (IT) 35.4 N
Material: Steel Load at L1: 300.460 N End Type: Closed - Full Loop
Part Number: ES-3175-1905-36-M Extension Springs - 31.75x190.5x3.56 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $142.14 AUD Regular price Sale price $142.14 AUD Unit price per Each
OD (D0) 31.75 mm _{(1.25 in.)}	Overall Length (L0) 190.5 mm _{(7.5 in.)}	Wire Diameter (d) 3.56 mm _{(0.14 in.)}	Max. Extension (L1) 331.220 mm
Material: Steel Spring Rate: 1.874 N/mm Initial Tension (IT): 35.4 N Load at L1: 300.460 N End Type: Closed - Full Loop
Part Number: ES-3175-1905-36-M Extension Springs - 31.75x190.5x3.56 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $142.14 AUD Regular price Sale price $142.14 AUD Unit price per Each View the product page first if you are unsure.
ES-3175-1905-36-M --- Extension Springs - 31.75x190.5x3.56 mm - Steel ES-3175-1905-36-M --- Extension Springs - 31.75x190.5x3.56 mm - Steel Regular price $142.14 AUD Regular price Sale price $142.14 AUD Unit price per Out of stock! Backorder Now
OD (D0) 31.80 mm _{(1.252 in.)}	Overall Length (L0) 360.3 mm _{(14.185 in.)}	Wire Diameter (d) 4.00 mm _{(0.157 in.)}			Initial Tension (IT) 1.6 N
Material: Music Wire Body Length: 304.800 mm End Type: Closed - Full Loop
Part Number: ES-3175-3603-40-M Extension Springs - 31.8x360.3x4 mm - Music Wire Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $202.05 AUD Regular price Sale price $202.05 AUD Unit price per Each
OD (D0) 31.80 mm _{(1.252 in.)}	Overall Length (L0) 360.3 mm _{(14.185 in.)}	Wire Diameter (d) 4.00 mm _{(0.157 in.)}
Material: Music Wire Initial Tension (IT): 1.6 N Body Length: 304.800 mm End Type: Closed - Full Loop
Part Number: ES-3175-3603-40-M Extension Springs - 31.8x360.3x4 mm - Music Wire Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $202.05 AUD Regular price Sale price $202.05 AUD Unit price per Each View the product page first if you are unsure.
ES-3175-3603-40-M --- Extension Springs - 31.8x360.3x4 mm - Music Wire ES-3175-3603-40-M --- Extension Springs - 31.8x360.3x4 mm - Music Wire Regular price $202.05 AUD Regular price Sale price $202.05 AUD Unit price per Out of stock! Backorder Now
OD (D0) 31.80 mm _{(1.252 in.)}	Overall Length (L0) 410.1 mm _{(16.146 in.)}	Wire Diameter (d) 4.50 mm _{(0.177 in.)}			Initial Tension (IT) 2.6 N
Material: Music Wire Body Length: 355.600 mm End Type: Closed - Full Loop
Part Number: ES-3175-4101-45-M Extension Springs - 31.8x410.1x4.5 mm - Music Wire Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $253.77 AUD Regular price Sale price $253.77 AUD Unit price per Each
OD (D0) 31.80 mm _{(1.252 in.)}	Overall Length (L0) 410.1 mm _{(16.146 in.)}	Wire Diameter (d) 4.50 mm _{(0.177 in.)}
Material: Music Wire Initial Tension (IT): 2.6 N Body Length: 355.600 mm End Type: Closed - Full Loop
Part Number: ES-3175-4101-45-M Extension Springs - 31.8x410.1x4.5 mm - Music Wire Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $253.77 AUD Regular price Sale price $253.77 AUD Unit price per Each View the product page first if you are unsure.
ES-3175-4101-45-M --- Extension Springs - 31.8x410.1x4.5 mm - Music Wire ES-3175-4101-45-M --- Extension Springs - 31.8x410.1x4.5 mm - Music Wire Regular price $253.77 AUD Regular price Sale price $253.77 AUD Unit price per Out of stock! Backorder Now
OD (D0) 33.30 mm _{(1.311 in.)}	Overall Length (L0) 186.5 mm _{(7.343 in.)}	Wire Diameter (d) 3.60 mm _{(0.142 in.)}			Initial Tension (IT) 1.7 N
Material: Music Wire Body Length: 127.000 mm End Type: Closed - Full Loop
Part Number: ES-3334-1865-36-M Extension Springs - 33.3x186.5x3.6 mm - Music Wire Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $98.68 AUD Regular price Sale price $98.68 AUD Unit price per Each
OD (D0) 33.30 mm _{(1.311 in.)}	Overall Length (L0) 186.5 mm _{(7.343 in.)}	Wire Diameter (d) 3.60 mm _{(0.142 in.)}
Material: Music Wire Initial Tension (IT): 1.7 N Body Length: 127.000 mm End Type: Closed - Full Loop
Part Number: ES-3334-1865-36-M Extension Springs - 33.3x186.5x3.6 mm - Music Wire Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $98.68 AUD Regular price Sale price $98.68 AUD Unit price per Each View the product page first if you are unsure.
ES-3334-1865-36-M --- Extension Springs - 33.3x186.5x3.6 mm - Music Wire ES-3334-1865-36-M --- Extension Springs - 33.3x186.5x3.6 mm - Music Wire Regular price $98.68 AUD Regular price Sale price $98.68 AUD Unit price per Out of stock! Backorder Now
OD (D0) 34.90 mm _{(1.374 in.)}	Overall Length (L0) 417.4 mm _{(16.433 in.)}	Wire Diameter (d) 4.00 mm _{(0.157 in.)}			Initial Tension (IT) 1.0 N
Material: Music Wire Body Length: 355.600 mm End Type: Closed - Full Loop
Part Number: ES-3493-4174-40-M Extension Springs - 34.9x417.4x4 mm - Music Wire Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $241.86 AUD Regular price Sale price $241.86 AUD Unit price per Each
OD (D0) 34.90 mm _{(1.374 in.)}	Overall Length (L0) 417.4 mm _{(16.433 in.)}	Wire Diameter (d) 4.00 mm _{(0.157 in.)}
Material: Music Wire Initial Tension (IT): 1.0 N Body Length: 355.600 mm End Type: Closed - Full Loop
Part Number: ES-3493-4174-40-M Extension Springs - 34.9x417.4x4 mm - Music Wire Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $241.86 AUD Regular price Sale price $241.86 AUD Unit price per Each View the product page first if you are unsure.
ES-3493-4174-40-M --- Extension Springs - 34.9x417.4x4 mm - Music Wire ES-3493-4174-40-M --- Extension Springs - 34.9x417.4x4 mm - Music Wire Regular price $241.86 AUD Regular price Sale price $241.86 AUD Unit price per Out of stock! Backorder Now
OD (D0) 38.10 mm _{(1.5 in.)}	Overall Length (L0) 114.3 mm _{(4.5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 218.190 mm	Spring Rate 1.821 N/mm	Initial Tension (IT) 18.7 N
Material: Steel Load at L1: 207.470 N End Type: Closed - Full Loop
Part Number: ES-3810-1143-31-M Extension Springs - 38.1x114.3x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $85.41 AUD Regular price Sale price $85.41 AUD Unit price per Each
OD (D0) 38.10 mm _{(1.5 in.)}	Overall Length (L0) 114.3 mm _{(4.5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 218.190 mm
Material: Steel Spring Rate: 1.821 N/mm Initial Tension (IT): 18.7 N Load at L1: 207.470 N End Type: Closed - Full Loop
Part Number: ES-3810-1143-31-M Extension Springs - 38.1x114.3x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $85.41 AUD Regular price Sale price $85.41 AUD Unit price per Each View the product page first if you are unsure.
ES-3810-1143-31-M --- Extension Springs - 38.1x114.3x3.15 mm - Steel ES-3810-1143-31-M --- Extension Springs - 38.1x114.3x3.15 mm - Steel Regular price $85.41 AUD Regular price Sale price $85.41 AUD Unit price per Out of stock! Backorder Now
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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $126.59 AUD Regular price Sale price $126.59 AUD Unit price per Each
OD (D0) 38.10 mm _{(1.5 in.)}	Overall Length (L0) 114.3 mm _{(4.5 in.)}	Wire Diameter (d) 4.01 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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $126.59 AUD Regular price Sale price $126.59 AUD Unit price per Each View the product page first if you are unsure.
ES-3810-1143-40-M --- Extension Springs - 38.1x114.3x4.01 mm - Steel ES-3810-1143-40-M --- Extension Springs - 38.1x114.3x4.01 mm - Steel Regular price $126.59 AUD Regular price Sale price $126.59 AUD Unit price per Out of stock! Backorder Now
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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $147.77 AUD Regular price Sale price $147.77 AUD 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
Material: Steel Spring Rate: 10.490 N/mm Initial Tension (IT): 48.8 N Load at L1: 542.240 N End Type: Closed - Full Loop
Part Number: ES-3810-1143-45-M Extension Springs - 38.1x114.3x4.5 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $147.77 AUD Regular price Sale price $147.77 AUD Unit price per Each View the product page first if you are unsure.
ES-3810-1143-45-M --- Extension Springs - 38.1x114.3x4.5 mm - Steel ES-3810-1143-45-M --- Extension Springs - 38.1x114.3x4.5 mm - Steel Regular price $147.77 AUD Regular price Sale price $147.77 AUD Unit price per Out of stock! Backorder Now
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 End Type: Closed - Full Loop
Part Number: ES-3810-1270-31-M Extension Springs - 38.1x127x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $91.32 AUD Regular price Sale price $91.32 AUD 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
Material: Steel Spring Rate: 1.384 N/mm Initial Tension (IT): 18.7 N Load at L1: 207.470 N End Type: Closed - Full Loop
Part Number: ES-3810-1270-31-M Extension Springs - 38.1x127x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $91.32 AUD Regular price Sale price $91.32 AUD Unit price per Each View the product page first if you are unsure.
ES-3810-1270-31-M --- Extension Springs - 38.1x127x3.15 mm - Steel ES-3810-1270-31-M --- Extension Springs - 38.1x127x3.15 mm - Steel Regular price $91.32 AUD Regular price Sale price $91.32 AUD Unit price per Out of stock! Backorder Now
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 End Type: Closed - Full Loop
Part Number: ES-3810-1270-40-M Extension Springs - 38.1x127x4.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $136.50 AUD Regular price Sale price $136.50 AUD 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 End Type: Closed - Full Loop
Part Number: ES-3810-1270-40-M Extension Springs - 38.1x127x4.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $136.50 AUD Regular price Sale price $136.50 AUD Unit price per Each View the product page first if you are unsure.
ES-3810-1270-40-M --- Extension Springs - 38.1x127x4.01 mm - Steel ES-3810-1270-40-M --- Extension Springs - 38.1x127x4.01 mm - Steel Regular price $136.50 AUD Regular price Sale price $136.50 AUD Unit price per Out of stock! Backorder Now
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 End Type: Closed - Full Loop
Part Number: ES-3810-1270-45-M Extension Springs - 38.1x127x4.5 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $159.59 AUD Regular price Sale price $159.59 AUD 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
Material: Steel Spring Rate: 8.210 N/mm Initial Tension (IT): 48.8 N Load at L1: 542.240 N End Type: Closed - Full Loop
Part Number: ES-3810-1270-45-M Extension Springs - 38.1x127x4.5 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 08, 2025 Regular price $159.59 AUD Regular price Sale price $159.59 AUD Unit price per Each View the product page first if you are unsure.
ES-3810-1270-45-M --- Extension Springs - 38.1x127x4.5 mm - Steel ES-3810-1270-45-M --- Extension Springs - 38.1x127x4.5 mm - Steel Regular price $159.59 AUD Regular price Sale price $159.59 AUD Unit price per Out of stock! Backorder Now
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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $98.23 AUD Regular price Sale price $98.23 AUD 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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $98.23 AUD Regular price Sale price $98.23 AUD Unit price per Each View the product page first if you are unsure.
ES-3810-1397-31-M --- Extension Springs - 38.1x139.7x3.15 mm - Steel ES-3810-1397-31-M --- Extension Springs - 38.1x139.7x3.15 mm - Steel Regular price $98.23 AUD Regular price Sale price $98.23 AUD Unit price per Out of stock! Backorder Now
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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $145.68 AUD Regular price Sale price $145.68 AUD 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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $145.68 AUD Regular price Sale price $145.68 AUD Unit price per Each View the product page first if you are unsure.
ES-3810-1397-40-M --- Extension Springs - 38.1x139.7x4.01 mm - Steel ES-3810-1397-40-M --- Extension Springs - 38.1x139.7x4.01 mm - Steel Regular price $145.68 AUD Regular price Sale price $145.68 AUD Unit price per Out of stock! Backorder Now
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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $172.14 AUD Regular price Sale price $172.14 AUD 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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $172.14 AUD Regular price Sale price $172.14 AUD Unit price per Each View the product page first if you are unsure.
ES-3810-1397-45-M --- Extension Springs - 38.1x139.7x4.5 mm - Steel ES-3810-1397-45-M --- Extension Springs - 38.1x139.7x4.5 mm - Steel Regular price $172.14 AUD Regular price Sale price $172.14 AUD Unit price per Out of stock! Backorder Now
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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $105.95 AUD Regular price Sale price $105.95 AUD 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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $105.95 AUD Regular price Sale price $105.95 AUD Unit price per Each View the product page first if you are unsure.
ES-3810-1524-31-M --- Extension Springs - 38.1x152.4x3.15 mm - Steel ES-3810-1524-31-M --- Extension Springs - 38.1x152.4x3.15 mm - Steel Regular price $105.95 AUD Regular price Sale price $105.95 AUD Unit price per Out of stock! Backorder Now
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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $155.41 AUD Regular price Sale price $155.41 AUD 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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $155.41 AUD Regular price Sale price $155.41 AUD Unit price per Each View the product page first if you are unsure.
ES-3810-1524-40-M --- Extension Springs - 38.1x152.4x4.01 mm - Steel ES-3810-1524-40-M --- Extension Springs - 38.1x152.4x4.01 mm - Steel Regular price $155.41 AUD Regular price Sale price $155.41 AUD Unit price per Out of stock! Backorder Now
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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $183.59 AUD Regular price Sale price $183.59 AUD 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 End Type: Closed - Full Loop
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 Tue, Jul 08, 2025 Regular price $183.59 AUD Regular price Sale price $183.59 AUD Unit price per Each View the product page first if you are unsure.
ES-3810-1524-45-M --- Extension Springs - 38.1x152.4x4.5 mm - Steel ES-3810-1524-45-M --- Extension Springs - 38.1x152.4x4.5 mm - Steel Regular price $183.59 AUD Regular price Sale price $183.59 AUD Unit price per Out of stock! Backorder Now