7Pcs Countersink Drill Bits 3-10mm HSS 1/4" Hex Shank Woodworking

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Countersink Drill Bits Woodworking 7PCS7 piece set includes bits for drilling pilot holes for screw sizes: 3mm(0.12inch),4mm(0.16inch),5mm(0.,19inch),6mm(0.23inch),7mm(0.27inch),8m m(0.31inch),10mm(0.39inch).The surface is coated with titanium for anti-oxidation which makes these cutters more durable.CAPABILITY & DURABILITY: Classic Carbon Steel Material. High hardness, offer superior cutting power and durable.REMOVABLE & ADJUSTABLE: Easy to use the combination of Hex Key to adjust or disassemble the countersink drill bit and the five-flutes chamfering.Specifications:Material: HSS drill 4241.Diameter of Chamfer: 15.8mm(0.62inch).Shank:1/4 hex shank.Size(approx.):3-10mm. Show more