Spiral Flute Tap: 3/8-24, UNF, 3 Flute, Semi-Bottoming, 2B & 3B Class of Fit, High Speed Steel, ZrN Finish MPN:TT89139

The spiral flute tap is designed to reduce chip build up while cutting due to its unique helix angle geometry making it more efficient than standard straight flutes; perfect for users who demand superior performance in drilling through hard materials without clogging or wobbling even under high torque conditions. The 3/8-24UNF size coupled with the semi-bottoming style make this tap suitable for through holes, blind holes and tapping multiple threads simultaneously increasing productivity during machining processes in various industries such as automotive, aviation, aerospace etc. ZrN coating extends its lifetime by protecting from oxidation & wear ensuring superior performance time after time.