M8X1,25 H5 F Left and Spiral Flute-Right Hand Cut PLUG HSSE-PM GT605515 T60_ANSI_Plug_mm_CAL T-TI T-Ti NSI Metric lug P HSSE-PM Taps .318mm .077″ 8.7 High-Performance Taps Victory eft-Hand Spiral-Flute HSSE-PM Taps Through Hole L eft Hand Helix/Flute