服务热线：86 - 510 - 83590625服务热线：86 - 510 - 83590625
Head shape Hexagon
Drive groove Hexagon
Screw thread Partial/full thread
Standard GB, DIN, ISO, ANSI/ASTM, BS, BSW,
Material Steel
Performance class 8.8 (Or level 5.2- At the manufacturer's discretion)
Surface treatment Balck Oxide,ZP,HDG,,Dacromet,Ruspert,etc
15061878696
