Introducing the Tap Drill Bits set which allow you to drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency. Tap Drill Bits offered self-centering point, do not need assistant center drilling or center punching. Suitable for drilling and tapping on soft metal, aluminum plate, iron, etc. Tap Drill Bits are perfect for auto repair and machinery where metric threads are specified.
More efficient:the use of ultra-fine grain carbide material, it has good milling, cutting performance, ensuring high work efficiency
Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc.
Fast replacement composite cone, uses drill edged principle.
More durable: have sufficient bending strength and wear resistance
Better process:milling, hole and panel edge, surface clean, tidy, no glitches