7/8"-9 Plug STI Tap, High Speed Steel
Model #: TASTI-7/8-9
Price: $43.48
Description: 7/8"-9 HS Plug STI Tap
- Sizes: 7/8"-9
For helical screw thread inserts, Class 3B. High speed steel, plug style. A 1/4-20 STI tap creates the proper thread (a bit larger than 1/4-20) for installing a 1/4-20 Recoil or Helicoil insert, which will accept a 1/4-20 threaded part.