Kromhard 1/4″-18 NPTF Pipe Tap STI HSS Ground 4 Flutes 9/16″ Large Shank UK
Kromhard 1/4"-18 NPTF Pipe Tap. This is an STI tap for screw thread inserts only. If you do not know what an STI tap, this is not for you. HSS Ground. 9/16" Small Shank. 1-3/16" Thread Length.
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