M16X2 HX T H 76 HSSE-PM GT235017 623m100x150r6hx-d1_r01 GT23 Forming Tap P HSS-e Taps .4724mm H2 10 High-Performance Taps Victory Forming Taps HSSE-PM Blind and Through Hole oncentric xial Coolant oncentric xial Coolant Thru- Coolant-Yes eutral/Straight lute