3Pcs Countersink Drill Bits Chamfer Tool 12mm, 16mm, 19mm 1/4 Inch Hex Shank

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Countersink Drill Bits Chamfer Tool1/4 Inch Hex Shank 5 Flute 90 Degree Chamfering Countersink Drill Bit Set[3in1 Set]: Diameter: 12mm / 0.47 inch, 16mm / 0.63 inch, 19mm / 0.75 in ch[Universal Shank]: 1/4" hexagonal shank fits most handheld and stationary drills.[5 Flute Design]: Five flutes design reduces vibration for smoother drilling and extended life.[Black Oxide Finish]: Black oxide finish for added corrosion resistance. Sharp and smooth cutting edge, high working efficiency.[90 Chamfering Degree]: Precision ground 90 degree tip for countersinking most machinable metals like aluminum, woods, rubber and plastic.Material: Carbon SteelChamfer Degree: 90°Shank Size: 6.3mm / 1/4 inchDiameter: 12mm / 0.47 inch, 16mm / 0.63 inch, 19mm / 0.75 inchTotal Length: 43mm / 1.7 inch, 45mm / 1.8 inch, 48mm /1.9 inch Show more