Tension Springs

Extension Spring & Tension Spring Manufacturers and Suppliers

Vanel’s extension springs, also known as tension springs, are designed to absorb and store energy while resisting pulling forces. These springs are attached at both ends, pulling components back together when extended. Commonly used in automotive, aerospace, and heavy machinery applications, Vanel’s extension springs provide exceptional reliability and precision. We offer a wide range of stock and custom extension springs, available in different materials and sizes to meet your specific needs. Whether you require standard loops, hooks, or custom designs, Vanel has the perfect solution. Our springs are designed to meet the highest quality standards for demanding applications. You can buy extension springs online from our extensive catalog, ensuring quick and convenient delivery. With Vanel, you get premium-quality springs that are ready to meet the needs of your industry, backed by excellent service and fast fulfillment.

We are providing two kinds of Extension Spring as 

  • English Hooks
  • German Hooks

An Extension spring is a spring which offers resistance to extension or tension across its ends. Almost invariably they are made from circular-section wire.

Guaranteed Quality

We follow the strictest quality control in the manufacture of springs.

Note: To order or see the detailed info click on SKU.

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SKU Wire Diam. (mm) Ext. Diam. (mm) Spring Rate (daN/mm) Free Len. (mm) Length @max load (mm) Nr of Coils Number Of Coils Fo (daN) Maximal Force (daN) Material Hook Position Internal Diameter (mm) Hooks Weight (g) Hole (mm) Tariff Guid
U.302.420.3050.A 4.2 30.2 0.284034 305 545.309004 63.5 --- 9.962629 78.218557 Music Wire 180 --- 2 581.865543 30.804 5H AD919DAF-1717
x
U.302.420.3050.A Estimated Delivery - 15 to 17 days
€21.85
U.302.420.3050.I 4.2 30.2 0.243956 305 557.548856 63.5 --- 8.99258 70.603389 Stainless Steel 180 --- 2 585.571693 30.804 5N DFCA4A8C-C314
x
U.302.420.3050.I Estimated Delivery - 15 to 17 days
€43.70
U.318.420.1650.A 4.2 31.8 0.511111 165 293.093549 29.5 --- 9.126137 74.596159 Music Wire 180 --- 2 297.048680 32.436 5G 16E1B082-8ECC
x
U.318.420.1650.A Estimated Delivery - 15 to 17 days
€19.55
U.318.420.1650.I 4.2 31.8 0.438991 165 299.617826 29.5 --- 8.237644 67.333658 Stainless Steel 180 --- 2 298.940710 32.436 5K BACFB47A-9680
x
U.318.420.1650.I Estimated Delivery - 15 to 17 days
€62.10
Out of stock
U.318.420.1780.A 4.2 31.8 0.463932 178 319.12001 32.5 --- 9.126071 74.596159 Music Wire 180 --- 2 325.339031 32.436 5G 0CB74FFE-89DC
x
U.318.420.1780.A Estimated Delivery - 5 to 7 days
€19.55
U.318.420.1780.I 4.2 31.8 0.398469 178 326.307784 32.5 --- 8.237604 67.333658 Stainless Steel 180 --- 2 327.411254 32.436 5L 83ACB31C-E8BB
x
U.318.420.1780.I Estimated Delivery - 15 to 17 days
€35.65
U.318.420.2030.A 4.2 31.8 0.391631 203 370.172952 38.5 --- 9.126049 74.596159 Music Wire 180 --- 2 381.919732 32.436 5G FA6F8ECE-E1B0
x
U.318.420.2030.A Estimated Delivery - 15 to 17 days
€19.55
U.318.420.2030.I 4.2 31.8 0.33637 203 378.687701 38.5 --- 8.237586 67.333658 Stainless Steel 180 --- 2 384.352342 32.436 5L 498BB0AF-9A0C
x
U.318.420.2030.I Estimated Delivery - 5 to 7 days
€35.65
U.318.420.3050.A 4.2 31.8 0.241245 305 576.384675 62.5 --- 9.125963 74.596159 Music Wire 180 --- 2 608.242536 32.436 5I 278CC95A-40EE
x
U.318.420.3050.A Estimated Delivery - 15 to 17 days
€24.15
U.318.420.3050.I 4.2 31.8 0.207204 305 590.20725 62.5 --- 8.237575 67.333658 Stainless Steel 180 --- 2 612.116692 32.436 5O 830B05CF-5A82
x
U.318.420.3050.I Estimated Delivery - 15 to 17 days
€48.30
U.318.420.3550.A 4.2 31.8 0.202386 355 678.490573 74.5 --- 9.126196 74.596159 Music Wire 180 --- 2 721.403938 32.436 5I 5D6159EB-C003
x
U.318.420.3550.A Estimated Delivery - 15 to 17 days
€24.15
U.318.420.3550.I 4.2 31.8 0.173829 355 694.967189 74.5 --- 8.237502 67.333658 Stainless Steel 180 --- 2 725.998868 32.436 5P D4DD257F-8A36
x
U.318.420.3550.I Estimated Delivery - 15 to 17 days
€55.20
U.350.420.1400.A 4.2 35 0.482203 140 265.524005 22.5 --- 7.713961 68.242013 Music Wire 180 --- 2 257.824861 35.875 5F 7F11B360-A49C
x
U.350.420.1400.A Estimated Delivery - 5 to 7 days
€18.40
U.350.420.1400.I 4.2 35 0.414162 140 271.917424 22.5 --- 6.962953 61.598137 Stainless Steel 180 --- 2 259.467058 35.875 5K 87D0BDF7-8568
x
U.350.420.1400.I Estimated Delivery - 15 to 17 days
€31.05
U.350.420.2030.A 4.2 35 0.289322 203 412.206689 37.5 --- 7.713915 68.242013 Music Wire 180 --- 2 415.676817 35.875 5G 39236213-4F0F
x
U.350.420.2030.A Estimated Delivery - 15 to 17 days
€19.55
U.350.420.2030.I 4.2 35 0.248497 203 422.862391 37.5 --- 6.962992 61.598137 Stainless Steel 180 --- 2 418.324440 35.875 5M E70D9566-26F2
x
U.350.420.2030.I Estimated Delivery - 15 to 17 days
€39.10
U.350.420.3000.A 4.2 35 0.179332 300 637.520231 60.5 --- 7.713835 68.242013 Music Wire 180 --- 2 657.716482 35.875 5I B90E2781-9448
x
U.350.420.3000.A Estimated Delivery - 15 to 17 days
€24.15
U.350.420.3000.I 4.2 35 0.154027 300 654.711444 60.5 --- 6.962997 61.598137 Stainless Steel 180 --- 2 661.905759 35.875 5O E789580F-11EB
x
U.350.420.3000.I Estimated Delivery - 5 to 7 days
€48.30
U.381.420.2150.A 4.2 38.1 0.211351 215 481.925988 38.5 --- 6.60022 63.015294 Music Wire 180 --- 2 469.097062 39.0525 5H 9E1B720B-BDEF
x
U.381.420.2150.A Estimated Delivery - 15 to 17 days
€21.85
U.381.420.2150.I 4.2 38.1 0.181529 215 495.52155 38.5 --- 5.957483 56.880279 Stainless Steel 180 --- 2 472.084941 39.0525 5M 5B7154CC-A3D4
x
U.381.420.2150.I Estimated Delivery - 15 to 17 days
€39.10
U.381.420.4570.A 4.2 38.1 0.084322 457 1126.04828 96.5 --- 6.599805 63.015294 Music Wire 180 --- 2 1140.890386 39.0525 5K 9D9ED76C-475C
x
U.381.420.4570.A Estimated Delivery - 5 to 7 days
€31.05
U.381.420.4570.I 4.2 38.1 0.072423 457 1160.126098 96.5 --- 5.957778 56.880279 Stainless Steel 180 --- 2 1148.157203 39.0525 5S 508D90F0-9845
x
U.381.420.4570.I Estimated Delivery - 15 to 17 days
€77.05
U.381.420.4920.A 4.2 38.1 0.077866 492 1216.514032 104.5 --- 6.600284 63.015294 Music Wire 180 --- 2 1233.551534 39.0525 5K 432B3E67-BD96
x
U.381.420.4920.A Estimated Delivery - 5 to 7 days
€31.05
U.381.420.4920.I 4.2 38.1 0.066879 492 1253.415576 104.5 --- 5.957567 56.880279 Stainless Steel 180 --- 2 1241.408550 39.0525 5S 29B5DD4E-C5A7
x
U.381.420.4920.I Estimated Delivery - 15 to 17 days
€77.05
U.381.420.6850.A 4.2 38.1 0.054067 685 1728.438176 150.5 --- 6.599722 63.015294 Music Wire 180 --- 2 1766.353135 39.0525 5M 00A23454-CBC7
x
U.381.420.6850.A Estimated Delivery - 15 to 17 days
€39.10
U.381.420.6850.I 4.2 38.1 0.046438 685 1781.585998 150.5 --- 5.957018 56.880279 Stainless Steel 180 --- 2 1777.603792 39.0525 6B 78C32B33-A7EE
x
U.381.420.6850.I Estimated Delivery - 15 to 17 days
€108.10
U.393.420.1200.A 4.2 39.3 0.472946 120 236.238049 15.5 --- 6.221824 61.196144 Music Wire 180 --- 2 209.871350 40.2825 5F 61D28D00-C76D
x
U.393.420.1200.A Estimated Delivery - 15 to 17 days
€18.40
U.393.420.1200.I 4.2 39.3 0.406211 120 242.158474 15.5 --- 5.61612 55.238236 Stainless Steel 180 --- 2 211.208110 40.2825 5J 63F1FED2-76C0
x
U.393.420.1200.I Estimated Delivery - 15 to 17 days
€27.60
U.404.420.6920.A 4.2 40.4 0.044109 692 1909.885202 151.5 --- 5.896924 59.616622 Music Wire 180 --- 2 1898.562690 41.41 5N E0FD39D1-B2D9
x
U.404.420.6920.A Estimated Delivery - 15 to 17 days
€43.70
U.404.420.6920.I 4.2 40.4 0.037885 692 1971.918105 151.5 --- 5.322795 53.812492 Stainless Steel 180 --- 2 1910.655446 41.41 6B A9C78902-0D18
x
U.404.420.6920.I Estimated Delivery - 15 to 17 days
€108.10
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