7pcs HSS 3.18mm-5.56mm Countersink Drill Bit Woodworking Tool

Description: 7pcs HSS 3.18mm-5.56mm Countersink Drill Bit Woodworking Tool Specification: Type The corresponding bit size(mm) Chamfer size(mm) Length (mm) 5# 1/8" (3.18mm) 9.5mm 77mm 6# 9/64" (3.58mm) 9.5mm 80mm 7# 5/32" (3.97mm) 9.5mm 84mm 8# 11/64" (4.37mm) 9.5mm 85mm 9# 3/16" (4.76mm) 9.5mm 88mm 10# 13/64" (5.15mm) 9.5mm 91mm 12# 7/32" (5.56mm) 9.5mm 95mm Features: Drill Sizes: 1/8 inch, 9/64 inch, 5/32 inch, 11/64 inch, 3/16 inch, 13/64 inch, 7/32 inch. Drilling length can be adjusted by loosening and tightening the set screw. The hex design is easy to discharge the sawdust. The head of the drill is high-speed steel, the black part is carbon steel. Perfect for the bench drill, hand drill, etc. Package Included: 7 x Wood Drill 1 x Hex Wrench More Details: