With interrupted thread they make them with 1/2 as many teeth so it taps easier.
Text or call with any questions, the number is below.
USA made 1" Pipe tap NPT Interrupted Thread cutting tool tapping head cutter 1 inch 11-1/2 tpi
US made by Besly
Super sharp no chipped teeth, looks and feels like it has only been used one time, you will be happy with it.
Stock photo
Call Doug
616-460-213zero
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