Description
Sowa 113-122 Hand Tap - Taper 5/16" -18
- High-speed steel (HSS)
- HSS bits are hard and much more resistant to heat than high-carbon steel
- Can be used to start the thread in a blind hole for another tap to finish
- First 7-10 threads at the tip ground flatter than the main body of the tap to enable easy starting of the threads in the hole
Tap Size = 5/16 inch
T.P.I = 18