DIN912/ISO12474/ISO4762
Hex Socket Head
DIN, ANSI, GB, JIS, BSW, GOST
4.8&5.8&6.8&8.8&10.9&12.9
Machinery, Chemical Industry, Environmental, Building
Yzp&Blk&Zinc Plated&HDG
Cold Forging,Hot Forging,Machining
According to Requirements
According to Requirements
Standard
Small Box & Bulk & Customizing