Specification: Shank Type: Round Shank; Tool Flute Type: Spiral; Rock Well Hardness Grade: 63-66 HRC; Twist Drill Bits Diameter: 0.6mm / 0.02-inch; Shank Diameter: 2.35mm / 0.09-inch; Total Length: 49.5mm / 1.95-inch; Drill Bit Length: 21mm / 0.83-inch…