Compare Maximum number of 4 items selected Representative Image Century Drill Bit - 22320 Part #: 22320 Line: CDT Century Drill Bit Limited Lifetime Warranty Material: High Speed Steel Type: Brite Length (in): 4-1/2 Inch Length (mm): 114mm Case Included: No Tip Material: High Speed Steel Number Of Pieces: 1 Bit Diameter (in): 5/16 Inch Bit Diameter (mm): 7.938mm Drill Bit Point Angle (Deg): 135 Degree For Use On Material Type: Metal, Plastic, Wood Show More Show Less