6pcs Combination Drill and Tap Bit Set, Titanium Coated Metric M3-M10 Spiral Tapping Tool 1/4" Hex Shank Threading Tips
by Walfront
- Premium High Speed Steel- These taps are made from high speed steel and surface finish by nitriding for high hardness and rust resistance., Accurate Tap- These taps are used on a machine to do the tapping, generally more accurate because human error is eliminated., 6 Different Sizes- 6 tap drill bit sets include 6 different sizes: M3 X0.5, M4 X0.7, M5 X0.8, M6 X1.0, M8 X1.25, M10 X1.5. With 1/ 4 inch hexagon quick-change shank, suitable for electric drills, impact drills, bench drills, and tapping machines., Spiral Flutes Design-Taps are designed with spiral flutes and the chip clearing process would be better. Each tap drill is engraved with its size, so you can choose the right size at a glance., With Drilling Function- They are taps with drilling function, used to drill a hole and cut new threads at the same time, you will have a smooth tapping experience with them