1/2"-20 Plug STI Tap, High Speed Steel
Model #: TASTI-1/2-20
Price: $14.00
Description: 1/2"-20 HS Plug STI Tap
- Size: 1/2"-20
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.