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They are taps with drilling function, used to drill a hole and cut new threads at the same time.
The thread drilled by the drill isvery 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.
It Uses High-Speed Steel 6542 and 4341 material, higher hardness, more durable, can be used for drilling the steel plate even the 2mm 304 steel plate.
Applicable to some types ofcarbon steel and ordinary steel, copper and aluminum-magnesium alloy drilling hole. Six different sizes of drill bits can help you get different sized holes.
Sturdy material -made of HSS, enough hardness and sturdy construction make them not easy to break or deform, the surface is coated with titanium to prevent oxidation and not easy to rust, which can serve you for long time
Metric thread drill bit size - there are totally 6 pieces of taps in different sizes, such as M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25, M10 x 1.5, standard 1/4 inch (6.35 mm) hex shank
2 Standards - The drill has three standards: Metric, US(SAE) to meet the needs of users around the world.
Widely application - these drill bit sets are suitable for drilling holes in wood, aluminum, iron, plastic and other materials with low hardness, the thickness of the material to be drilled is within 5 mm, which can save much labors and efforts
Easy to use -fast replacement composite cone by using drill edged principle; Drilling and tapping in one, one-step processing, which can help to save processing steps and time, also help to make your work more efficient
Suitable for soft metal, aluminum, and iron
High-speed steel(HSS ) material
Shank: 1/4" (6.35mm) hex shank
Standard: Metric Units
M3x0.5: Total length: 55mm, Spiral length: 24mm, drill diameter: 2.5mm
M4x0.7: Total length: 54mm, Spiral length: 24mm, drill diameter: 3.3mm
M5x0.8: Total length: 58mm, Spiral length: 28mm, drill diameter: 4.2mm
M6x1: Total length: 58mm, Spiral length: 28mm, drill diameter: 5.0mm
M8x1.25: Total length: 59mm, Spiral length: 18mm, drill diameter: 6.8mm
M10x1.5: Total length: 59mm, Spiral length: 20mm, drill diameter:8.5mm
Square handle: 6.35mm
6 x Hexagon handle compound Tap Drill Bits Set
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