M8X1,25 H5 F Left Hand Spiral Flute-Right Hand cut PLUG HSSE-PM GT605516 T60_ANSI_Plug_mm_CAL T-TI T-Ti NSI Metric lug P HSSE-PM Taps .318mm .077″ 8.7 High-Performance Taps Victory Left-Hand Spiral-Flute HSSE-PM Taps Through Hole Left Hand Helix/Flute