Stainless Steel Button Spring For Board

Stainless Steel Button Spring For Board

1. Stainless Steel Button Spring For Board

2.Materials are high carbon steel,stainless steel

1)The Wire Diameter of this extension spring: 0.4 mm-3.5 mm;

2)Raw Mterials of this extension springs:stainles steel 302, hign carbon steel, etc;

3)Surface Treatment of this extension springs: powder coating, nickel plating, chrome plating, zinc plating,etc;

4)This Extension Springs are produced by CNC spring's machines;

5)High Quality