(3-10 mm (3/4/5/6/7/8/10 mm) 8 Pcs Wood Drill Bit Set with Countersink, Countersunk Drill Bit Set, Reamer Slot for Twist Drill Bit with Hole for Woodworking, Drill Bit Set

EXCELLENT MATERIAL The countersink drill bit set is made of high-carbon steel, which has been hardened for high hardness, good wear resistance, and durability. PRECISION DRILLING The countersink bit set has five cutting edges, allowing for smooth and flat counterbores during use, and the screw cap sits flush with the workpiece surface. WIDE APPLICATION The wood twist drill bit reamer groove is suitable for granite, ceramic tile, glass, square, ceramic, PVC, rubber, sheet, hardwood, or parquet flooring, etc., and is suitable for bench drills, hand drills, and conventional drills. MULTI-SIZE The countersink bit set has a diameter of 15.8 mm, and one set of Drill bits in 7 sizes (3 mm / 4 mm / 5 mm / 6 mm / 7 mm / 8 mm / 10 mm), which can meet your needs for different sizes. HANDMADE ESSENTIAL: If you often do hand woodworking, such as making small toys, small molds, woodworking decorations, etc., this countersink drill bit set will be your best helper.