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ISO die springs

ISO Die springs

Tech Drawing - ISO Die springs
Go to technical information

We’ll usually dispatch your order the same day with expected delivery within 2-4 days. This applies to all stocked die springs

See quantity discounts and prices by clicking on the shopping cart next to the required product.

Use the range sliders below to navigate around our large selection of ISO die springs quickly and easily.

What is an ISO die spring?
 

Die springs function like conventional compression springs. The more it is compressed, the more energy it releases. A die spring is produced from a rectangular spring wire, which provides greater force than ordinary round spring wire.

The wire in ISO die springs is a little more rounded than in Raymond die springs. This is due to the way the wire is produced. Characteristic of die springs is the significant force produced and a short spring travel. Virtually every size of die spring is divided into 4 colour categories, which are based on the force and travel of the die spring. See the colour groups under the table.

If a spring with either more or less force is required, a spring with the same dimensions – but with a different colour code – can be used, as the spring has the same installation dimensions.

The series is manufactured in accordance with the ISO 10243 standard. This ensures the high quality. Die springs are available with a maximum force (Fn) from 22.4809 lbs to 2550.2326 lbs.

ISO die springs can be used in a myriad of applications that require large forces in confined spaces. Die springs are mainly used in the tool industry. For use under extreme load, we recommend using the Raymond series (link to the Raymond series)

Please note that the colour code is not the same for ISO and Raymond die springs.

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Shop By
Shopping Options
Dh - Min. hole (in)
Dd - Max shaft (in)
L0 - Unloaded length (in)
R - Spring constant (lb/in)
S1 - Travel at F1 (in)
L1 - Length at F1 (in)
F1 - Force in N at S1 (lbs)
Sn - Maximum travel (in)
Ln - Max. loaded length (in)
Fn - Maximum load at Ln (lbs)
Color
Color (new)

Items 1-10 of 403

Set Descending Direction
View prices - Add to Cart Dh
Min. hole (in)		 Dd
Max shaft (in)		 L0
Unloaded length (in)		 R
Spring constant (lb/in)		 S1
Travel at F1 (in)		 L1
Length at F1 (in)		 F1
Force in N at S1 (lbs)		 Sn
Maximum travel (in)		 Ln
Max. loaded length (in)		 Fn
Maximum load at Ln (lbs)		 SKU Stock Tech Drawing Read More 3D CAD
0.3937 0.1969 0.9843 57.1015 0.2461 0.7382 14.1630 0.4055 0.5787 23.1553 R203-104 R203-104
0.3937 0.1969 0.9843 91.3624 0.1969 0.7874 17.9847 0.3740 0.6102 34.1710 R204-104 R204-104
0.3937 0.1969 0.9843 126.1943 0.1476 0.8366 18.6591 0.2953 0.6890 37.3183 R205-104 R205-104
0.3937 0.1969 0.9843 210.7044 0.1476 0.8366 31.0236 0.2441 0.7402 51.4812 R206-104 R206-104
0.3937 0.1969 1.2598 48.5363 0.3150 0.9449 15.2870 0.5157 0.7441 24.9538 R203-105 R203-105
0.3937 0.1969 1.2598 74.2319 0.2520 1.0079 18.6591 0.4803 0.7795 35.7446 R204-105 R204-105
0.3937 0.1969 1.2598 99.9276 0.1890 1.0709 18.8840 0.3780 0.8819 37.7679 R205-105 R205-105
0.3937 0.1969 1.2598 159.3131 0.1890 1.0709 30.1244 0.3150 0.9449 50.1324 R206-105 R206-105
0.3937 0.1969 1.4961 38.8290 0.3740 1.1220 14.6126 0.6142 0.8819 23.8297 R203-106 R203-106
0.3937 0.1969 1.4961 67.9508 0.2992 1.1969 20.2328 0.5669 0.9291 38.4423 R204-106 R204-106
  1. R203-104
    In stock: 543
    R203-104
    Dh - Min. hole (in) 0.3937
    Dd - Max shaft (in) 0.1969
    L0 - Unloaded length (in) 0.9843
    R - Spring constant (lb/in) 57.1015
    S1 - Travel at F1 (in) 0.2461
    L1 - Length at F1 (in) 0.7382
    F1 - Force in N at S1 (lbs) 14.1630
    Sn - Maximum travel (in) 0.4055
    Ln - Max. loaded length (in) 0.5787
    Fn - Maximum load at Ln (lbs) 23.1553
  2. R204-104
    In stock: 735
    R204-104
    Dh - Min. hole (in) 0.3937
    Dd - Max shaft (in) 0.1969
    L0 - Unloaded length (in) 0.9843
    R - Spring constant (lb/in) 91.3624
    S1 - Travel at F1 (in) 0.1969
    L1 - Length at F1 (in) 0.7874
    F1 - Force in N at S1 (lbs) 17.9847
    Sn - Maximum travel (in) 0.3740
    Ln - Max. loaded length (in) 0.6102
    Fn - Maximum load at Ln (lbs) 34.1710
  3. R205-104
    In stock: 452
    R205-104
    Dh - Min. hole (in) 0.3937
    Dd - Max shaft (in) 0.1969
    L0 - Unloaded length (in) 0.9843
    R - Spring constant (lb/in) 126.1943
    S1 - Travel at F1 (in) 0.1476
    L1 - Length at F1 (in) 0.8366
    F1 - Force in N at S1 (lbs) 18.6591
    Sn - Maximum travel (in) 0.2953
    Ln - Max. loaded length (in) 0.6890
    Fn - Maximum load at Ln (lbs) 37.3183
  4. R206-104
    In stock: 488
    R206-104
    Dh - Min. hole (in) 0.3937
    Dd - Max shaft (in) 0.1969
    L0 - Unloaded length (in) 0.9843
    R - Spring constant (lb/in) 210.7044
    S1 - Travel at F1 (in) 0.1476
    L1 - Length at F1 (in) 0.8366
    F1 - Force in N at S1 (lbs) 31.0236
    Sn - Maximum travel (in) 0.2441
    Ln - Max. loaded length (in) 0.7402
    Fn - Maximum load at Ln (lbs) 51.4812
  5. R203-105
    In stock: 759
    R203-105
    Dh - Min. hole (in) 0.3937
    Dd - Max shaft (in) 0.1969
    L0 - Unloaded length (in) 1.2598
    R - Spring constant (lb/in) 48.5363
    S1 - Travel at F1 (in) 0.3150
    L1 - Length at F1 (in) 0.9449
    F1 - Force in N at S1 (lbs) 15.2870
    Sn - Maximum travel (in) 0.5157
    Ln - Max. loaded length (in) 0.7441
    Fn - Maximum load at Ln (lbs) 24.9538
  6. R204-105
    In stock: 87
    R204-105
    Dh - Min. hole (in) 0.3937
    Dd - Max shaft (in) 0.1969
    L0 - Unloaded length (in) 1.2598
    R - Spring constant (lb/in) 74.2319
    S1 - Travel at F1 (in) 0.2520
    L1 - Length at F1 (in) 1.0079
    F1 - Force in N at S1 (lbs) 18.6591
    Sn - Maximum travel (in) 0.4803
    Ln - Max. loaded length (in) 0.7795
    Fn - Maximum load at Ln (lbs) 35.7446
  7. R205-105
    In stock: 264
    R205-105
    Dh - Min. hole (in) 0.3937
    Dd - Max shaft (in) 0.1969
    L0 - Unloaded length (in) 1.2598
    R - Spring constant (lb/in) 99.9276
    S1 - Travel at F1 (in) 0.1890
    L1 - Length at F1 (in) 1.0709
    F1 - Force in N at S1 (lbs) 18.8840
    Sn - Maximum travel (in) 0.3780
    Ln - Max. loaded length (in) 0.8819
    Fn - Maximum load at Ln (lbs) 37.7679
  8. R206-105
    In stock: 238
    R206-105
    Dh - Min. hole (in) 0.3937
    Dd - Max shaft (in) 0.1969
    L0 - Unloaded length (in) 1.2598
    R - Spring constant (lb/in) 159.3131
    S1 - Travel at F1 (in) 0.1890
    L1 - Length at F1 (in) 1.0709
    F1 - Force in N at S1 (lbs) 30.1244
    Sn - Maximum travel (in) 0.3150
    Ln - Max. loaded length (in) 0.9449
    Fn - Maximum load at Ln (lbs) 50.1324
  9. R203-106
    In stock: 570
    R203-106
    Dh - Min. hole (in) 0.3937
    Dd - Max shaft (in) 0.1969
    L0 - Unloaded length (in) 1.4961
    R - Spring constant (lb/in) 38.8290
    S1 - Travel at F1 (in) 0.3740
    L1 - Length at F1 (in) 1.1220
    F1 - Force in N at S1 (lbs) 14.6126
    Sn - Maximum travel (in) 0.6142
    Ln - Max. loaded length (in) 0.8819
    Fn - Maximum load at Ln (lbs) 23.8297
  10. R204-106
    In stock: 97
    R204-106
    Dh - Min. hole (in) 0.3937
    Dd - Max shaft (in) 0.1969
    L0 - Unloaded length (in) 1.4961
    R - Spring constant (lb/in) 67.9508
    S1 - Travel at F1 (in) 0.2992
    L1 - Length at F1 (in) 1.1969
    F1 - Force in N at S1 (lbs) 20.2328
    Sn - Maximum travel (in) 0.5669
    Ln - Max. loaded length (in) 0.9291
    Fn - Maximum load at Ln (lbs) 38.4423
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SAE-AISI 9254 (G92540) Silicon-Chromium Steel
Working temperature between -328 ºF and +328 ºF
ISO die springs are manufactured in accordance with ISO 10243
These springs are not stainless steel

There are no tolerances for ISO die springs. They just need to stay within the minimum hole (Dh) and maximum shaft (Dd) dimensions.

If you want a PDF datasheet or a 3D CAD drawing of the spring in .step, .iges or .sat format, these can be downloaded for free by clicking on the 3D CAD symbol next to the item number in the table.

The colour labelling is done by powder coating without a special protection from corrosion.

Green
Minimun load - Longest travel
Blue
Medium load - medium travel
Red
High load - short travel
Yellow
Particularly high load - shortest travel

Usually right. The force and application is not affected by the direction of wind.

Standard die springs are not defined with a specific direction of wind. Depending on production, the springs may be either right or left wound.

The service life of a spring is generally very difficult to define. A large number of parameters come into play, and it is therefore impossible to define a service life. Parameters with a significant influence on service life include: Installation, installation method, number of movements, vibrations, shocks, torsion, length of travel, non-axial travel, temperature, wear against other surfaces, environment of use, any cleaning agents, lateral impacts, etc.

The maximum force (Fn) and/or maximum travel (Sn) should not be exceeded, as this reduces the service life significantly. To avoid uncontrolled dynamic stress, die springs should always be fitted with a specific initial tension.

The longest service life is achieved with load and travel of max. 25% of the free length (L0).

If die springs in cars or other applications are fitted or replaced with our die springs, Sodemann-Springs.US ApS cannot be held responsible for any differences in performance or damage.

This also applies to customers who visit Sodemann-Springs.US ApS and get help and/or guidance.

It is not possible to get custom-made die springs.

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