
7Pcs 4241 HSS Countersink Drill Bits Set Wood Screw Hole Cutter Tapered Adjustable Stop Collar
Description: Product name:Countersink Drill Bits Set; Drill Bit Material:High Speed Steel 4241; Black Material:45 # steel; Type: 5#, 6#, 7#, 8#, 9#, 10#, 12#; Type:The corresponding bit size(mm)*Chamfer size(mm)*Length(mm); 5#:1/8" (3.18mm)x9.5mmx77mm; 6#:9/64" (3.58mm)x9.5mmx80mm; 7#:5/32" (3.97mm)x9.5mmx84mm; 8#:11/64" (4.37mm)x9.5mmx85mm; 9#:3/16" (4.76mm)x9.5mmx88mm; 10#:13/64" (5.15mm)x9.5mmx91mm; 12#:7/32" (5.56mm)x9.5mmx95mm; 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