组合螺丝Sems Screw

盘头组合螺丝 Pan head Combination screws

外六角组合螺丝 Outer six angle combined screw

方垫组合螺丝 Square cushion combination screw

复合槽组合螺丝 Composite slot combined screw

螺钉 screw

机械螺丝 MACHINE SCREWS

自攻螺丝 SELF TAPPING SCREWS

精密螺丝/电子螺丝 ELECTRONIC SCREWS

非标螺钉 Nonstandard screw

螺栓 Bolt

马车螺栓 carriage bolt

六角螺栓 hexagonbolt

焊接螺栓 Welded bolt

双头螺栓 Stud

汽车紧固件 Fastener

端子排螺丝 Terminal screw

农机紧固件 Agricultural machinery fasteners

电器用螺丝 Electric screw

螺母系列 Nut

垫圈系列 Washer

其他系列 others