COMOWARE Countersink Drill Bit Set 6 Pcs Counter Sinker Bits for Wood, Quick Change, 1/4'' Hex Shank, HSS, 5 Flute 90 Degree Center Punch Tool, 6mm 8mm 9mm 12mm 16mm 19mm with

PREMIUM QUALITY: Made of Industrial grade high carbon steel. Titanium coated, Durable & Long service life. PROFESSIONAL DESIGN: 1/4 inch hex shank, fits most power tools. ALL have 90 degree on the point for sharp and precise countersinking. EXCELLENT PUNCH: Perfect Helper Center Punch, Marks workpiece with a dimple to prevent screws and drills from wandering. WIDELY USED: Great for wood openings, reaming, chamfering, screw head and so on.Suitable for wooden planks, plywood, aluminum board, fiberboard, particle board, plastic, PVC board and other various soft material chamfer. PACKAGE INCLUDES: 6 pcs Drill bits size:6 mm(1/4''), 8 mm(5/16''), 9 mm(3/8''), 12 mm(1/2''), 16 mm(5/8''), 19 mm(3/4''); 1pcs Center Punch.