6 Pcs Countersink Drill Bits,1/4" Hex Shank 90 Degree 5 Flute Hole Cutter Chamfering Drill Bit 6mm 8mm 9mm 12mm 16mm 19mm for Wood Quick Change Bit with 2 pcs Brass Automatic Center Punch Tools

الوصف

Center punch and Chamfering drill bit set:  Complete set of tools equipped with various sizes of drill bit, good for sinking 90 degree countersink bit holes into wood and soft metals countersunk screws and fixings.  Marvelous design:  The 1/ 4 inch hex shank drill is made of sturdy and durable material, coated with brass and titanium to prevent rusting, fine for a quick change, won't slip in drill chucks.  Specification:  Color: gold  Quantity: 2 pack center punch, 6 pieces drill bit  Center punch material: iron, high-speed steel punch head, brass protective coating  Center punch size: 13 cm/ 5 inch in length, 1.27 cm/ 0.5 inch in diameter  Chamfering drill bit material: high-carbon steel, titanium protective coating  Chamfering drill bit handle diameter: 6.35 mm (1/ 4 inch) hexagonal handle  Chamfering drill bit length: 5 cm/ 1.97 inch  Chamfering drill bit diameter: 6 mm (1/ 4 inch), 8 mm (5/ 16 inch), 9 mm (3/ 8 inch), 12 mm (1/ 2 inch), 16 mm (5/ 8 inch), 19 mm (3/ 4 inch)  Package includes:  2 x Center punch  1 x 6 mm Drill bit  1 x 8 mm Drill bit  1 x 9 mm Drill bit  1 x 12 mm Drill bit  1 x 16 mm Drill bit  1 x 19 mm Drill bit  Warm notice:  Please drill the countersink properly, the screw will remain around the surface if drilled not deep enough, and the screw handle will be too shallow if drilled over deep.