Specifications

extension spring
1. good service, high quality, low price
2.drawing and samples be welcomed
3. ISO9001-2000

extension spring

1. wire diameter of extension spring: 0.2mm~3.2mm

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

3. surface treatment: black oxide, Zinc/Nickel/Chrome plating, power coating, oiled to prevent rust, passivate, etc

4. good quality, good hardness and long service life

5.  made by CNC spring’s machines

6. usually made from samples or technical drawing, using your choice of material and to your custom configuration

7..with different shape for extension spring ends, just as cross center hook / 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,

8. passed ISO9001:2000 certifacition

 

wiper spring