Product  name 

Acorn nut

Specification 

M4-M30

Material

Mild carbon steel, medium carbon steel, high carbon steel, Stainless steel,copper

Material grade

 A2,A4, 4.8,6.8,8.8,12.9

Color

Plain, blue plated, white plated, yellow plated,black,nickel

Standard

ISO,GB,DIN,JIS,ANSI.

Cetificate

ISO9001-2000,SGS,ROHS 

Function 

Aatomobile,electronic,mechinery

After sale service

If there are unqualified,we take full responsibility for it.