7.1mm M42 High Speed Steel Twist Drill Bits, TiCN Coated Round Shank Drill Bit - 7.1x107mm
$16.49
Cutting Hardness: HRC67-70, Drill Bit Diameter: 7.1mm / 0.28-inch, Flute Length: 67mm / 2.64-inch, Shank Diameter: 7.1mm / 0.28-inch, Total Length: 107mm / 4.21-inch; 1 x M42 High Speed Steel Twist Drill Bit M42 steel is high cobalt high-speed steel.