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 bitscan help you get different sized holes.
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 6 pieces of taps in different sizes: M3, M4, M5, M6, M8 and M10. Can meet your diversified requirements.
Wide Application：Suitable for drilling holes in wood, aluminum, iron, plastic and other materials with low hardness.
Easy To Use：Easy to use and install, allowing you to change bits fast with one-handed load and release operation.
Material: High-Speed Steel with Titanium coating
Hex Shank: 6.35mm (1/4")
Thread Size: M3, M4, M5, M6, M8, M10
Pitch: 0.5mm, 0.7mm, 0.8mm, 1.0mm, 1.25mm, 1.5mm
1 x M3x 0.5: Total length: 55mm, Spiral length: 24mm, drill diameter: 2.5mm
1 x M4x 0.7: Total length: 54mm, Spiral length: 24mm, drill diameter: 3.3mm
1 x M5x 0.8: Total length: 58mm, Spiral length: 28mm, drill diameter: 4.2mm
1 x M6x 1.0: Total length: 58mm, Spiral length: 28mm, drill diameter: 5.0mm
1 x M8x 1.25 Total length: 59mm, Spiral length: 18mm, drill diameter: 6.8mm
1 x M10x 1.5 Total length: 59mm, Spiral length: 20mm, drill diameter: 8.5mm