Irwin Tools Tap and Drill Sets, 13-Pieces
- This tap and drill bit set produces a thread that is strong and easy to tap.
- High-carbon steel plug taps are great for general-purpose threading.
- 135° split-point drill bits give fast, precise drilling.
- Set pieces: 6 – 32 NC, 8 – 32 NC, 10 – 24 NC, 10 – 32 NF, 12 – 24 NC and 1/4″ – 20 NC plug taps and 7/64″, 13/64″, #29, #25, #21 and #16 drill bits, plus a T-handle tap wrench.