1/2" - 20 Taper (Starting) Tap, High Speed Steel - National Fine Thread
Model #: TAT-1/2-20
Price: $6.10
Description: 1/2"-20 HS Taper Tap 0329-0141
- Thread Diameter: 1/2"
- Threads per Inch: 20
- High Speed Steel. Ground Thread.
- Taper Style (the style of hand tap with the most lead, for starting threads).
- Recommended Drill Size: 29/64"
Taper taps have a long lead (5-6 threads) for starting a thread.