5/16-18 High Speed Steel Thread Forming Roll Tap TIN Coated, Kodiak Cutting Tools, Mfr#: 5563225

Premium High Speed Steel Taps TiN coated for better performance and increased tool lifeThread Forming/Roll Style Taps Plug Tap sizes 3/8"and smaller have male centersSINGLE THREAD: 1.5 Thread ChamferFor maximum thread length in blind holes due toits short chamferBOTTOM: 2.5 Thread ChamferFor blind hole tappingPLUG: 4.0 Thread ChamferFor through hole tappingTHREAD FORMING:Taps have no flutes or cutting edges & providechipless tappingLUBE GROOVES:For lubrication & venting in blind holes (sizes #6-32 and larger)MATERIALS:brass, copper, lead, stainless steels, carbon steels,zinc, most ductile materials producing stringy chipsare great for forming