Combination Drill Tap Bit Set 6 Piece Hex Shank Quick Change HSS Titanium Coated Spiral Tap Drill Bit Include Spiral Screw Tap Set

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Premium High Speed Steel - These taps are made from high speed steel and surface finished 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 - There are total 6 pieces of taps in different sizes from M3 to M10 that you can use for tapping various threads. 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. Taps are designed with spiral flutes and the chip clearing process would be better. 1.Wide Application: The taps drill bits is mulit-function, three-in-one operation, which can drill, tap, deburr and counter holes on copper, brass, aluminum, metal sheet and plastic at the same time 2.Superior Craftsmanship: The taps are made of high speed steel, which can ensure sharp, fast execution and retain strength and efficiency. The surface is treated with a titanium alloy, which greatly improves the cutting performance of the drill, is more wear-resistant and prolongs the service life 3.High efficiency: Drilling & Tapping & Countersinking is three-in-one operation at the same time, so as to quickly, complete work completely, greatly save processing steps and time costs, and improve work efficiency