9.8mm M42 High Speed Steel Twist Drill Bits, TiCN Coated Round Shank Drill Bit - 9.8x130mm
$22.99
Cutting Hardness: HRC67-70, Drill Bit Diameter: 9.8mm / 0.39-inch, Flute Length: 85mm / 3.35-inch, Shank Diameter: 9.8mm / 0.39-inch, Total Length: 130mm / 5.12-inch; 1 x M42 High Speed Steel Twist Drill Bit M42 steel is high cobalt high-speed steel.