#1 - 72 Taper (Starting) Tap, High Speed Steel - National Fine Thread
Model #: TAT-1-72
- Thread Diameter: #1
- Threads per Inch: 72
- High Speed Steel. Ground Thread.
- Taper Style (the style of hand tap with the most lead, for starting threads).
Taper taps have a long lead (5-6 threads) for starting a thread.