Woodworking Countersunk Drill Bit Set 5 Pieces for Pilot Holes and Guide Holes for Screws Sizes 6 8 10 12 14

 Specification:Product material: The black chamfer part is made of carbon steel, and the titanium-plated golden twist drill is made of high-speed steel. After overall quenching treatment, the hardness is reliable.Product model: 6#, 8#, 10#, 12#, 14#The diameter of the golden drill bit corresponding to the chamfer:6#: 2.38mm8#: 2.78mm10#:3.175mm12#:3.56mm14#:3.97mmHow to use the product: The handle is a 6mm round handle, which can be used with hand drills, bench drills, etc. After this product drills holes in the wood, the screws are screwed into the wood, and the screw caps will sink into the plane of the wood and will not protrude on the wood.Package included:5PCS Countersink Drill Bits(6#, 8#, 10#, 12#, 14#)