- Pair of 5/16″ High Speed Steel Threading Tool Bits
- External and Internal Threading
- Both threading bits have a55 and 60 degree cutting end
- Bits are 5/16″ wide by 3 1/8″ long
5/16″ High Speed Steel tool bits pre-sharpened for external and internal threading.
Both bits have 55 degree and 60 degree cutting ends.








