Tooldo Silver 6Pcs M3-M10 Countersink Bit Hss Metric Combination Hex Drill Tap Bit

TOOLDO

6 pieces 1/4" (6.35mm) hex shank Tap Drill Bits Made of high speed steel, high hardness, rustproof, solid and durable. Self-centering point, do not need assistant center drilling or center punching. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency. Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc., Manufacturer: TOOLDO