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ISO die springs
ISO die springs are grouped into 4 different categories based on forces and travel. Die springs are made from rectangular wire, which, thanks to its larger cross-section surface area, provides much higher forces than ordinary spring wire. Die springs have a high force, but short travel. The ISO series is very high quality. We have an alternative super quality series called Raymond die springs if you are unable to find the right die spring in the ISO series, or you want the best quality.
Please note that the colour code is not the same for ISO and Raymond die springs.
Find the correct dimensions by using the filters underneath. Open the filters by clicking the downward arrow.
If you know the stock-number, please write it in the search box at the top of the page.
See quantity discount by clicking on the green basket next to the item.
Typical delivery is within 1 - 2 days, If the gas springs are in stock and if the order is placed before 16:00 from Monday - Thursday. On Friday we will be sending until 15:45.
| Dh Min. hole (mm) |
Dd Max shaft (mm) |
L0 Unloaded length (mm) |
R Spring constant (N/mm) |
S1 Travel at F1 (mm) |
L1 Length at F1 (mm) |
F1 Force in N at S1 (N) |
Sn Maximum travel (mm) |
Ln Max. loaded length (mm) |
Fn Maximum load at Ln (N) |
SKU | Tech Drawing | Compare | Read More | 3D CAD | Stock | View prices - Add to Cart | |
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| 10,00 | 5,00 | 25,00 | 10,00 | 6,25 | 18,75 | 63,00 | 10,30 | 14,70 | 103,00 | R203-104 |
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| 10,00 | 5,00 | 25,00 | 16,00 | 5,00 | 20,00 | 80,00 | 9,50 | 15,50 | 152,00 | R204-104 |
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| 10,00 | 5,00 | 25,00 | 22,10 | 3,75 | 21,25 | 83,00 | 7,50 | 17,50 | 166,00 | R205-104 |
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| 10,00 | 5,00 | 25,00 | 36,90 | 3,75 | 21,25 | 138,00 | 6,20 | 18,80 | 229,00 | R206-104 |
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| 10,00 | 5,00 | 32,00 | 8,50 | 8,00 | 24,00 | 68,00 | 13,10 | 18,90 | 111,00 | R203-105 |
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| 10,00 | 5,00 | 32,00 | 13,00 | 6,40 | 25,60 | 83,00 | 12,20 | 19,80 | 159,00 | R204-105 |
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| 10,00 | 5,00 | 32,00 | 17,50 | 4,80 | 27,20 | 84,00 | 9,60 | 22,40 | 168,00 | R205-105 |
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| 10,00 | 5,00 | 32,00 | 27,90 | 4,80 | 27,20 | 134,00 | 8,00 | 24,00 | 223,00 | R206-105 |
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| 10,00 | 5,00 | 38,00 | 6,80 | 9,50 | 28,50 | 65,00 | 15,60 | 22,40 | 106,00 | R203-106 |
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| 10,00 | 5,00 | 38,00 | 11,90 | 7,60 | 30,40 | 90,00 | 14,40 | 23,60 | 171,00 | R204-106 |
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- R203-104In stock: 97
Dh - Min. hole (mm) 10,00Dd - Max shaft (mm) 5,00L0 - Unloaded length (mm) 25,00R - Spring constant (N/mm) 10,00S1 - Travel at F1 (mm) 6,25L1 - Length at F1 (mm) 18,75F1 - Force in N at S1 (N) 63,00Sn - Maximum travel (mm) 10,30Ln - Max. loaded length (mm) 14,70Fn - Maximum load at Ln (N) 103,00
- R204-104In stock: 90
Dh - Min. hole (mm) 10,00Dd - Max shaft (mm) 5,00L0 - Unloaded length (mm) 25,00R - Spring constant (N/mm) 16,00S1 - Travel at F1 (mm) 5,00L1 - Length at F1 (mm) 20,00F1 - Force in N at S1 (N) 80,00Sn - Maximum travel (mm) 9,50Ln - Max. loaded length (mm) 15,50Fn - Maximum load at Ln (N) 152,00
- R205-104In stock: 67
Dh - Min. hole (mm) 10,00Dd - Max shaft (mm) 5,00L0 - Unloaded length (mm) 25,00R - Spring constant (N/mm) 22,10S1 - Travel at F1 (mm) 3,75L1 - Length at F1 (mm) 21,25F1 - Force in N at S1 (N) 83,00Sn - Maximum travel (mm) 7,50Ln - Max. loaded length (mm) 17,50Fn - Maximum load at Ln (N) 166,00
- R206-104In stock: 18
Dh - Min. hole (mm) 10,00Dd - Max shaft (mm) 5,00L0 - Unloaded length (mm) 25,00R - Spring constant (N/mm) 36,90S1 - Travel at F1 (mm) 3,75L1 - Length at F1 (mm) 21,25F1 - Force in N at S1 (N) 138,00Sn - Maximum travel (mm) 6,20Ln - Max. loaded length (mm) 18,80Fn - Maximum load at Ln (N) 229,00
- R203-105In stock: 48
Dh - Min. hole (mm) 10,00Dd - Max shaft (mm) 5,00L0 - Unloaded length (mm) 32,00R - Spring constant (N/mm) 8,50S1 - Travel at F1 (mm) 8,00L1 - Length at F1 (mm) 24,00F1 - Force in N at S1 (N) 68,00Sn - Maximum travel (mm) 13,10Ln - Max. loaded length (mm) 18,90Fn - Maximum load at Ln (N) 111,00
- R204-105In stock: 23
Dh - Min. hole (mm) 10,00Dd - Max shaft (mm) 5,00L0 - Unloaded length (mm) 32,00R - Spring constant (N/mm) 13,00S1 - Travel at F1 (mm) 6,40L1 - Length at F1 (mm) 25,60F1 - Force in N at S1 (N) 83,00Sn - Maximum travel (mm) 12,20Ln - Max. loaded length (mm) 19,80Fn - Maximum load at Ln (N) 159,00
- R205-105In stock: 29
Dh - Min. hole (mm) 10,00Dd - Max shaft (mm) 5,00L0 - Unloaded length (mm) 32,00R - Spring constant (N/mm) 17,50S1 - Travel at F1 (mm) 4,80L1 - Length at F1 (mm) 27,20F1 - Force in N at S1 (N) 84,00Sn - Maximum travel (mm) 9,60Ln - Max. loaded length (mm) 22,40Fn - Maximum load at Ln (N) 168,00
- R206-105In stock: 117
Dh - Min. hole (mm) 10,00Dd - Max shaft (mm) 5,00L0 - Unloaded length (mm) 32,00R - Spring constant (N/mm) 27,90S1 - Travel at F1 (mm) 4,80L1 - Length at F1 (mm) 27,20F1 - Force in N at S1 (N) 134,00Sn - Maximum travel (mm) 8,00Ln - Max. loaded length (mm) 24,00Fn - Maximum load at Ln (N) 223,00
- R203-106In stock: 47
Dh - Min. hole (mm) 10,00Dd - Max shaft (mm) 5,00L0 - Unloaded length (mm) 38,00R - Spring constant (N/mm) 6,80S1 - Travel at F1 (mm) 9,50L1 - Length at F1 (mm) 28,50F1 - Force in N at S1 (N) 65,00Sn - Maximum travel (mm) 15,60Ln - Max. loaded length (mm) 22,40Fn - Maximum load at Ln (N) 106,00
- R204-106In stock: 53
Dh - Min. hole (mm) 10,00Dd - Max shaft (mm) 5,00L0 - Unloaded length (mm) 38,00R - Spring constant (N/mm) 11,90S1 - Travel at F1 (mm) 7,60L1 - Length at F1 (mm) 30,40F1 - Force in N at S1 (N) 90,00Sn - Maximum travel (mm) 14,40Ln - Max. loaded length (mm) 23,60Fn - Maximum load at Ln (N) 171,00
ISO die springs are manufactured in accordance with ISO 10243
The colour labelling is done by powder coating without a special protection from corrosion.
Usually to the right
The given limit for load (Fn) or travel (sn) should not be exceeded due to considerable reduction in service life. Die springs must be installed prestressed in order to avoid shock loads. Longest service life is acheived with load and travel on max. 25%. Utilising the maximal values and using the spring in temperatures of over 200ºC will have a negative effect on durability.