Combination Drill Tap Bit Set - 13pcs SAE (6-32NC to 1/4-20NC) and Metric (M3 to M10) with Quick Change Hex Shank for Drilling Tapping and countersinking Iron Aluminium Copper Metal
Application-----Suitable for drilling, tapping and countersinking holes (3 in 1) in iron, aluminum, copper, metal, plastics, etc. for thin plates 3MM thick and below. Drilling, tapping and countersinking in one step, saving processing steps and processing time
High Convenience-----The product portfolio includes SAE and metric sizes, with comprehensive specifications and a variety of sizes to meet customers' machining needs for a wide range of materials and different diameters. Meanwhile, with the extension bar, can be used in the processing of obstacles, or need to process the hole deeper conditions
High Performance-----High-speed steel material is coated with titanium nitride (TIN) for high hardness and sharpness, which prolongs the service life. Drill body with spiral flutes for fast chip removal and heat dissipation to improve drilling efficiency
Recommended Machine-----Suitable for most power tools, such as Electric drill, Bench drill, Drill press and Tapping machine. (Use electric hand drill: Recommended speed not less than 2000RPM)
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