ST7/8-9X2.188, 7/8-9x 2.188 (2.5D) UNC STI Insert
Standard free-running screw thread insert.
Recoil inserts are the quick and easy method for repairing damaged threads, or creating stronger original threads in alloys and composite materials in original equipment manufacture.
- Create stronger threads in most materials.
- Made from corrosion resistant stainless steel.
- Simplifies changeover from unified to metric and vice versa.
- Interchangeable with other brands of inserts and tooling.
- Reduces thread wear.
- Wide temperature tolerance.
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