General Features of R52 Series No.63 High Speed Steel Jobber Length Drill Bit. High speed steel provides good wear resistance and can be used in general purpose applications for both ferrous and non-ferrous materials. Bright provides a smooth, polished finish on the tool. Designed for drilling deeper holes than possible with standard jobber length drills. Increases chip flow in softer materials such as aluminum, wood, and plastic. Spiral flutes are constructed with a higher flute angle for easier chip removal. No coolant through. Tapered band configuration. No coolant channel. Pack of 12 Applicable Materials: Magnetic mild steel, structural steel/case carburizing steel, plain carbon steel, alloy steel/hardened tempered steel, free machined stainless steel, ferritic stainless steel, ferritic austenitic, graphite/malleable cast iron, titanium, nickel, copper, brass, bronze. Specifications: Cutting Depth 6XD. Cutting Direction Right Hand. Cutting Edge Material HSS. Bright Finish. Flute Length 3/4 in. Flute Type Spiral. Size Letter/Wire No.63. Material HSS. Number of Flutes 2. Overall Length 2 in. Point Angle 118 Degree. Point Type Conventional. Series R52. Shank Size 0.037 in.. Shank Type Straight. Type General Purpose