DIN933/ISO4017
DIN, ANSI, GB, JIS, BSW, GOST
4.8,5.8,8.8,10.9,12.9
Machinery, Chemical Industry, Environmental, Building
Plain,Blk,Zp,Yzp,HDG
Cold Forging,Hot Forging,Machining
According to Requirements
According to Requirements
Fine / Coarse /Bsw/Bsf/ Unc/Unf
Small Box & Bulk & Customizing