3-10mm HSS Countersink Tap Drill Bit Set Hex Shank Titanium Metric Screw Thread
1x Countersink Drill Bits. Hexagon Head Sprial Tap Drill Bits Titanium Plated 3mm 4mm 5mm 6mm 8mm 10mm. Practical fittings, 6.35mm hex shank, quick and easy to. Self-centering point no need assistance in center drilling or center punching.