Extension springs
Our full assortment of extension springs comprises of four different ranges with wire thicknesses between 0,2mm and 10mm. All extension springs are produced in regular spring steel EN 10270-1-SM, and are often also available in stainless steel EN 10270-3-1.4310.
The SF-DFX, SF-DFS range was designed specifically for heavy loads. Coil lengths at 300mm and 1000mm can be cut and used at a desired length.
TIP
To determine the spring force at a certain length, multiply the travel in mm ( with the rate (C), and add the intitial force (F0)
| Attachment | Size |
|---|---|
 Extension springs diameter 0,2mm to 10mm (SF-DF, SF-DFR) | 350.66 KB |
| Extension springs diameter 0,5mm to 5mm (DF-A, DF-AR) | 348.07 KB |
| Extension springs heavy load (SF-DFX, SF-DFS) | 313.98 KB |
| Coil lengths, thread fittings and spring sockets | 373.15 KB |