M42X4.5 H eft and piral lute-Right Hand ut LG -LNG HSS-e P6520 C-Plug hamfer -5 itch T205129 t205124r00_CAL GT20-XL eft and piral lute-Right Hand ut P HSS-e Taps .2598mm H2 00 High-Performance Taps Victory eft-Hand Spiral-Flute HSSE-PM Taps Through Hole mPVD o Coolant o Coolant L eft Hand Helix/Flute