Description Product Reviews Klein 118 Degree High Speed Drill Bit 21/64” 53117 Black-oxide finish reduces chip welding. Black-oxide finish reduces chip welding. Standard jobber length. Bit Size: 21/64-Inch; Flute Length: 3-5/16-Inch; Overall Length: 4-5/8-Inch; Weight: 0.10-Pound Lightly roughened surface has higher lubricity for easier chip flow. 0 Reviews Hide Reviews Product Reviews