Description of Baitaihem Degree Countersink 6Mm 19Mm Automatic
6PCS 1/4'' 90 Degree HSS 5 Flute Countersink Drill Bit Set in 6 different size: 6mm(1/4''),8mm(5/16''),9mm(3/8''), 12mm(1/2''),16mm(5/8''), 19mm(3/4''). Drill bits mainly used for wood openings, reaming, chamfering, screw head and so on. Also applies to MDF, plywood, acrylic, PVC board and soft metal such as aluminum, copper and so on. The Automatic Center Punch delivering an automatic spring-driven strike when pressed against surface, it can be adjusted cap regulates striking force. Five-blade chamfering with a groove, easier to discharge debris and the High Carbon Steel Drill Bit not easy to blunt. In addition, standard 1/4'' Hex Shank, a variety of specifications. Package included 1 Pc automatic pure brass center punch and 6 Pcs drill bits with various sizes. 6mm / 0.23'', 8mm / 0.31'', 9mm / 0.35'', 12mm / 0.78'', 16mm / 0.98'', 19mm / 0.74''.