BIG-SERT by Time-Sert 5/16"-18 Oversize Thread Repair Kit # 5561
- BIG-SERT is a heavy wall solid bushing, easy to install with positive placement.
- BIG-SERT gives increased load protection for critical use.
- BIG-SERT will repair oversize holes which have previously been repaired.
- This is a complete kit including: drill bit, counterboring tool, tap, inserting tool, and 5 inserts!