Drill Bit Size Wire: #40 Drill Point Angle Degrees: 135 Drill Bit Material: High Speed Steel Drill Bit Finish/Coating: Black Oxide Flute Type: Spiral Cutting Direction: Right Shank Type: Straight Coolant Through: No.
#24 Stub Length Premium H.S. Drill, 10PK Their surface treatment increases abrasion resistance, which reduces the amount of chip welding and improves chip flow.