Diameter:m5-m48
Surface:black, zp;hdg
Material:stainless steel, carbon steel;brass
Standard:din;iso;gb;ansi;
50kg/bag or as coustomers' require
Diameter:m5-m20
Surface:black;zp;hdg
Material:carbon steel;stainless steel;brass
Standards:din;jis;ansi;iso
25/50kg/bag or as customers' require