1/4" - 20 Taper (Starting) Tap, High Speed Steel - National Coarse Thread
Model #: TAT-1/4-20
Price: $2.45
Description: 1/4"-20 HS Taper Tap 0329-0006
- Thread Diameter: 1/4"
 - 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: #7
 
Taper taps have a long lead (5-6 threads) for starting a thread.