SPS90 Series 3.125 Oal High Speed Steel Short Length Special Purpose Spotting Drill Bit Features. Bright finish improves chip flow in soft or nonferrous materials. A medium alloyed high speed steel that has good machinability and good performance. Wear resistance characteristics that make It attractive in a wide range of applications. HSS exhibits hardness, toughnessApplicable Materials. Steel, Copper and Aluminum MagnesiumSpecifications. Cutting Depth 1XD. Cutting Direction Right Hand. Cutting Edge Material HSS. Diameter 3/8 in.. Finish Bright. Flute Length 11/8 in.. Flute Type Spiral. Material HSS. Overall Length 31/8 in.. Point Angle 90 deg. Point Type Conventional. Series SPS90. Shank Type Straight. Type Short Length Special Purpose