Drill to clear out the damaged thread。钻孔(或清理受损螺纹)

Thread insert tap supplied，Tap thread should match up with bolt。用专用螺套丝攻进行攻丝，攻出来的螺纹应该匹配螺栓。

Wind insert in with light downward pressure until 1/4 to 1/2 turn below the surface，driving tang towards bottom of the hole。将螺套旋入螺纹孔一直到距表面1/4到1/2位置处，开始施加轻微的下压力，将螺套压入螺纹孔底部。

Remove Tool and sit back on top of tang 。Tap down sharply，Do not try to twist tang off。For sparkplug and large fine thread inserts，use long nose pliers and pull tang out 。将去尾工具的一端顶在安装柄上，瞬间用力敲击另一端。切不可试图将尾柄扭断。对于一些粗牙和细牙螺纹套，建议使用尖嘴钳可以将尾柄摇断。