Drill Bit Size Wire 1 Drill Point Angle Degrees 135 Drill Bit Material High Speed Steel Drill Bit FinishCoating Gold Finish Flute Type Spiral Cutting Direction Right Shank Type Straight Coolant Through No These Premium HSS drills can be used in a variety of applications Their surface treatment increases abrasion resistance, which reduces the amount of chip welding and improves chip flow 30Deg helix angle 135Deg split point