螺栓
Nut Guide
● 螺栓准确离断可使螺母与螺纹精确结合
 The break-off Nut Guide accurately guides
 the nut to the threads of screw head.
● 用剪钳剪断螺栓多余部分
 The break-of Nut Guide is broken by
 Cutting Forcep.

锁定垫
Locking Spacer

经激光热处理后，锁定垫尖端硬度增加.