12.9 Grade Alloy Steel Hexsocket Head Cap Screw Shanghai Chuantu Industrial Fastener Co, Ltd. Base Info Model NO.：1002Material：High Strength SteelType：Hex-Socket HeadConnection：Common BoltStandard：DIN, GB, ANSI, BSWGrade：12.9 Description Pre：Hex-Socket Head Cap Screw Next：Spring Pivot Bolts (hex bolts+slotted nuts+washer+split pins+nipples)
