Description:

Metric Taper Plug Tap tapping drill.multi-use drill tap deburr countersink hex bit kit.. HSS4341 (high-speed steel) + titanium coating. Each tap drill is engraved with a size making, which is convenient for you to choose the size that suits you. Drill/Tap Bit Tapping, Deburring And Countersink Bit.. Back tapered beyond tap to prevent thread damage from over-drilling.. Fast replacement composite cone uses drill edged principle Drilling and tapping in one, one-step processing, which can drill, tap, deburr and counter holes on wood, copper, brass, aluminum, sheet metal and plastic greatly save processing steps and time costs, improve working efficiency.