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Complete hole drilling, tapping & deburring. Countersinking in one operation with a power drill. Thread Tap Drill Bits Set saves labor and time!
The thread drilled by the drill is very reliable. Even if you do not use an electric drill, you can easily screw in the screws just by hand, saving a lot of work time.
Made of High-Speed Steel 4341 material, higher hardness, more durable. Applicable to some types of carbon steel and ordinary steel, copper and aluminum-magnesium alloy drilling hole. Six different sizes of drill bits can help you get different sized holes.
FEATURES:
Sturdy Material
Made of HSS, enough hardness and sturdy construction make them not easy to break or deform. Not easy to rust, which can serve you for a long time.
Spiral Flute Design
The wide spiral flute allows chips to easily get out of the hole to prevent chip crowding and breakage of tap drill bits
Saving Time & Effort
Drills and taps in a single pass to save your labor and precious time
Great For Various Threads
Provide 9 Kinds of taps in different sizes: M3, M4, M5, M6, M8,M10,M12,M14 and M16. Can meet your diversified requirements.
Wide Application
Suitable for drilling holes in wood, aluminum, iron, plastic and other materials with low hardness.
