6Pcs Countersink Drill Bit Set 1/4'' Hex Shank HSS Woodworking Pilot Screw Holes Product Feature: Constructed with high-speed steel and coated with super-hard titanium, this bit has the durability to withstand high-heat conditions for lasting use Eliminates Chatter&Vibration - All have a 90° angle on the point for sharp and precise countersinking. The cutting edge is hardened and honed for sharpness. A Chatter-Free,five-flute designed with staggered cutting teeth aranged to insure free chip flow and rapid chatter free cutting. Premium Design - Great for Sinking 90 Degree Holes into Wood and Soft Metals Countersunk Screws and Fixings.Suitable for DIY, Home and General Building/Engineering Using. Tips - 1/4″ hex shank countersinks are fine for a quick drill. They don’t slip in drill chucks. You can make deep countersinks easily by setting the countersink’s depth stop to allow the countersink to drill more deeply into the worksurface. Be sure to measure the size of your plug to be sure your countersink’s body will make the right-size hole. 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. Specification: Material:High Speed Steels Finish: Titanium coated Number of flute: 5-Flute Size:6mm,8mm,12mm,16mm,19mm Quantity: 1Set(6 Drills) Length:48mm/1.88'' Shank Type: Hex Included in this package: 1 x 6mm Countersink Bit 1 x 8mm Countersink Bit 1 x 9mm Countersink Bit 1 x 12mm Countersink Bit 1 x 16mm Countersink Bit 1 x 19mm Countersink Bit Notice: Please allow 0-1inch error due to manual measurement and make sure you do not mind before ordering. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.