5ATL Series High Speed Steel General Purpose Taper Length Drill Bit Features. High speed steel HSS provides good wear resistance. Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic. Spiral flutes are constructed with a higher flute angle to remove chips more easily. Tapered web configuration. No coolant channel. Pack of 6Applicable Materials. Magnetic Soft Steel, Structural Steel, Carburising Steel, Plain Carbon Steel, Nodular Graphite, Malleable Cast Iron, Reinforced Plastic Materials and CopperSpecifications. Cutting Depth 6XD. Cutting Direction Right Hand. Cutting Edge Material HSS. Diameter 0.3346 in.. Finish Bright. Flute Length 109 mm. Flute Type Spiral. Material HSS. Number of Flutes 2. Overall Length 165 mm. Point Angle 118 deg. Point Type Conventional. Series 5ATL. Shank Size 0.3346 in.. Shank Type Straight. Type Type N General Purpose