5PCS Combination Drill Tap Bit Set Screw Tapping Hex Shank HSS Metric/Imperial Plug Drill Bits Hand Tools 1/4-20NC
- ★【Combination Drill Tap Bit】6Pcs Combination Drill and Tap Bit, Inculued 6-32NC, 8-32NC, 10-32NC, 10-24NC, 12-24NC, 1/4-20NC.
- ★【Quality Material】Made of High-speed Steel 4341, Hard, Rustproof, Solid and Durable.Bonderizing Surface protects the metal from corrosion. Improve the finish adhesion and corrosion resistance. High quality, long lasting and durable..
- ★【Working Efficiently】These Combination Drill Tap Bit complete hole drilling, tapping, deburring and countersinking in one operation save processing steps and time costs, improve working efficiency..
- ★【Perfect Design】1/4 inch Hex Shank,quick change for cordless drill. Back tapered beyond tap to prevent thread damage from over-drilling, And self-centering point, do not need assistant center drilling or center punching..
- ★【Widely Application】Suitable for Low Hardness Materials Such as 10-gauge wood, plastic copper, brass, aluminum, sheet metal and other soft materials. They are not suitable for drill and tap in very hard metals..