#1 - 64 Bottoming Tap, High Speed Steel - National Coarse Thread
Model #: TAB-1-64
Price: $5.20
Description: #1-64 HS Bottoming Tap 0300-0030
- Thread Diameter: #1
- Threads per Inch: 64
- High Speed Steel.
- Ground Thread.
- Recommended Drill Size: #54
Bottoming taps have 1 to 1-1/2 threads of lead, for threading close to the bottom of a blind hole.
Please note that not all bottoming taps are flattened at the end.
Some manufacturers leave a point that you may have to grind off if going very close to the bottom of a hole.