JOEN Drill Tap Bits,M3 M4 M5 M6 M8 M10 Metric Units HSS Drill and Tap Bits 1/4" Hex Shank-6PCS (Titanium Coating)

Size-Metric units of 6PCS:M3*0.5,M4*0.7,M5*0.8,M6*1.0,M8*1.25,M10*1.5
Material:Made of high quality HSS 4341; Suitable for tapping on wood, plank, plastic etc. Worked with these bits by poffessional machines, when drilling metal.
How to Use-Taps are designed with spiral flutes and the chip clearing process would be better. These taps are used on a machine to do the tapping, generally more accurate because human error is eliminated
Quick change 1/4"(6.35mm) hex shank with metric sizes engraved on the bits. Wide spiral flutes carry the chips out of the hole. Can be used on multi-spindle heads with reversing mechanisms for tapping in most materials.
Experience-They are taps with drilling function, used to drill and cut new threads at the same time, you will get a smooth tap experience.