5PCS Drill Bit Set 15 To 35mm Carbide Wood Drill High Speed Steel Flat Wing Drilling Hole Hinge Cemented Carbide Carbon Woodworking Drill Bit Counterbore with Blister Pack

Made from tungsten steel and being hot-treated, the blade is characterized by high accuracy, smooth cutting operation, good resistance to shock and good toughness., High speed steel shank, sturdy - Suit for drill press, pistol drill, bench drill, vertical drilling machine, hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine etc., Drill Bit Package include 5PCS, 15mm/20mm/25mm/30mm/35mm/can meet your different needs., Any wood and wood products, plastic, plywood and other materials you need to exquisite perforation, suitable for industrial hinge installation, wood processing and maintenance, model production, installation of spherical door, drawers, Small incision resistance, improve the opening speed, chip easy and no tremor.