Countersink Drill Bits 1/4 Hex Shank HSS Counter Sink Drill Bit Set Quick Change Chamfer Combination Power Tool Accessories for Woodworking - 9/64 3/16 7/32 11/64 7/64 （5pcs)

What You Get: Countersink drill bits #4(7/64 ) #6(9/64 ) #8(11/64 ) #10(3/16 ) #12(7/32 ) and 1 Pcs Hex Key Wrench. Premium Material: Made from High-Speed Steel (HSS) offering the best combination of strength stronger heat and wear resistance non rust. Excellent Design: 90 degrees sharp taper twist bit charmer to ensure cuts faster 4 flute countersink cutter keep smooth boreholes with adjustable stop collar. Easily Operation: Just drill hole countersink and then counterbore; The depth only needs to allow the screw head to sink below the surface. Wide Application: Widely used in drilling holes woodworking; Best for hard wood soft wood plywood MDF particle board. color: as show