Drill R Jobber Cobalt AMD Black Oxide

Drill Bit; Brand Name CLEVELAND, Q-AMD; Type Jobber Length; Construction Aircraft, Heavy Duty, Split Point; Drill Size R; Overall Length 4.75 Inch; Flute Type Spiral; Flute Length 1.688 Inch; Shank Type Straight; Shank Size 0.339 Inch; Direction of Cut Right Hand; Point Angle (DEG) 135; Material M42 Cobalt HSS; Finish Black Oxide; Hardness 14 to 30 HRC; Style 3780; Helix Angle 40 Deg; Cut Material Alloy Steel, Stainless Steel, Tool Steel, Inconel, Carbon Steel