Domer 1/2-20 HSS-E-PM Machine Tap Semi-Bottoming TiAlN White Ring HP 4 Flute Tap Lathe Chuck 439″ Thread Tolerance Class (TCTR)

439″ Thread Tolerance Class (TCTR) H3 Measurement Type Fractional Special Feature Blue Shark

#4 Boring Bar Tooll Holder

HSS-E-PM HIGH PERFORMANCE MACHINE TAP

Abrasive Material

Domer 1/2-20 HSS-E-PM Machine Tap Semi-Bottoming TiAlN White Ring HP 4 Flute Tap Lathe Chuck 439″ Thread Tolerance Class (TCTR)DORMER HSS E PM HIGH PERFORMANCE MACHINE TAP Thread Diameter Size (TDZ) 1 2 Tool Type Machine Tap Threads per Inch (TPI) 20 Coating TiAlN Top Thread Standard UNF Tapping Prehole Diameter (Pre hole) 29 64 Overall Length (OAL) 3. 937 Flute Length 0. 827 Thread Cutting Part Length (THL) 0. 827 Flute Type Straight Connection Diameter Machine Side (DCONMS) 0. 367 Style Semi Bottoming Flute Count (NOF) 4 Cutting Direction (HAND) Right Hand Flute Helix Angle