4.7mm M42 High Speed Steel Twist Drill Bits, TiCN Coated Round Shank Drill Bit - 4.7x80mm
$11.49
Cutting Hardness: HRC67-70, Drill Bit Diameter: 4.7mm / 0.19-inch, Flute Length: 45mm / 1.77-inch, Shank Diameter: 4.7mm / 0.19-inch, Total Length: 80mm / 3.15-inch; 1 x M42 High Speed Steel Twist Drill Bit M42 steel is high cobalt high-speed steel.