7Pcs 4241 HSS Countersink Drill Bits Set Wood Screw Hole Cutter Tapered Adjustable Stop Collar

Description Product name Countersink Drill Bits SetDrill Bit Material High Speed Steel 4241Black Material 45 steelType 5 6 7 8 9 10 12 TypeThe corresponding bit size mm Chamfer size mm Length mm 5 1 8 3 18mm 9 5mm77mm6 9 64 3 58mm 9 5mm80mm7 5 32 3 97mm 9 5mm84mm8 11 64 4 37mm 9 5mm85mm9 3 16 4 76mm 9 5mm88mm10 13 64 5 15mm 9 5mm91mm12 7 32 5 56mm 9 5mm95mm Features 7pcs sets of conical drill On the same axis after screwing the screw cap below the plane of the board the drill ring can be adjusted up and down Suitable for screw sizes 5 6 7 8 9 10 and 12 Suitable for drilling machines with chuck or joints suitable for drilling holes in hard wood and wood machine screws Package Included 7 Pcs x Countersink Drill Bits 3 18 3 58 3 97 4 37 4 76 5 15 5 56mm More Details