Product Information
- Self-tapping screw sleeve has self-tapping ability, the base material does not need to be tapped in advance.
- The self-tapping screw sleeve has the repairing function for the damaged thread.
- Thread repairing allows you continue using the same screw.
- The thread inserts are simpler, more convenient and faster to install than ordinary steel wire screw sleeve.
- The self-tapping screw sleeve has strong resistance to vibration and prevents loosening.

















