5PCS, 7/16″, Titanium Coated Drill Bits 7/16 in

5PCS, 7/16″, Titanium Coated Drill Bits. Material: 4241 High Speed Steel, Titanium Coated. Angle Point: 135 Degree. Flute Type: Spiral. Shank Type: Straight and Round Shank. Indentation Hardness: 60-62 Rockwell.