1-3/8" - 12 Plug Tap, High Speed Steel - National Fine Thread
Model #: TAP-1-3/8-12
- Thread Diameter: 1 3/8"
- Threads per Inch: 12
- High Speed Steel. Ground Thread
- Plug taps are the most popular hand tap, with a chamfer in between Taper Taps and Bottoming Taps.
- Recommended Drill Size: 1-19/64"
Can be used in a machine as well as by hand, but it does not drive the chips ahead like a Spiral Point Tap.