Hexagonal Shank Drill Bits Tap, M8 HSS 1/4 Inch, Metric Tapping

【High Hardness & Rust Resistance】These hex head taps are made of high speed steel and feature nitriding finish for high hardness and rust resistance. 【More Accurate and Efficient】Automatic centering point, does not require auxiliary center drilling and center perforation, more accurate, eliminate human error, greatly reduce processing steps and time costs, improve work efficiency 【Designed with Spiral Flutes】Taps with drilling function, used to drill a hole and cut new threads at the same time, will allow you to get a smooth tapping experience metal, aluminum plate, iron, etc. 【Anti-wear】 The back of the cone is covered by the tap to prevent excessive punctures caused by damaged threads. 【6 Different Sizes from M4 to M8】: of 1/4 inch hex shank with imperial sizes engraved on the taps to meet your various demands