Specifications

CNC extension spring
good quality and competitive prices

 

1.wire diameter of tension spring:0.2mm~70mm

2.material of tension spring:carbon steel,alloy spring steel,music wire steel,and stainless steel,iron,plated steel,alloy steel,bronze,red bronze,phosphor copper,and beryllium copper;etc

3.surface treament for the tension spring:black oxide,Zinc/Nicke/Chrome plating,power coating,oiled to prevent rust,passivate,etc.

4.good quality. good hardness and long service life.
5.these tension spring is made by CNC spring's machine
6.OEM/ODM order is welcome

7.tension spring is usually made from samples or technical drawing,using your choice of materal and to your custom configuration.

8.with different shape for the tension spring ends.just as cross center hooks / cross loopsc,extended machine hooks,standard machine hooks,reduced ends with swivel hooks,threaded inserts - draw bars,expanded hooks,rectangular ends,teardrop-shaped ends,v-hooks.

9.we have passed ISO9001