Material:High Speed Steels
Size:HSS M3 M4 M5 M6 M8 M10
1* 6PCS Hexagon handle compound Tap Drill Bits
Fast replacement composite cone, uses drill edged principle.
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.