Feature●Size: #21; Material: Cobalt; Finish: Black Oxide;●Overall Length: 2-1/8"; Shank Size: 1/4"-28;●Shank Type: Threaded; Style: Threaded Shank;●Cutting Angle: 135; Point Type: Split Point;●Number of Flutes: 2; Cutting Direction: Right HandDescription
#21 Long Cobalt Threaded Shank Drill Bit Decimal Equivalent .1590 Metric Equivalent 4.04mm Overal Length 2-1/8, Premium Grade Steel