Carbide-tipped countersink cuts extremely clean hole 3/8" diameter countersink has 8mm shank Brad point drill bit is adjustable for screw length 7/64" brad point drill bit is 2-1/2" long Countersink set is sized for #6 screws driven in hardwood - WoodRiver is proudly made by Woodcraft, America’s leading supplier of high-quality woodworking hand tools, power tools, domestic and exotic wood, shop supplies, project plans and kits, plus so much more! Offering first-rate products for all your woodworking needs and designed to help you make wood work. Our family of brands include Woodcraft tools and supplies, Highpoint professional-grade fasteners and hardware, Pinnacle precision-engineered tools and Woodcraft Magazine. Carbide-tipped countersinks cut an extremely clean hole, perfect for plugging. WoodRiver 7/64" x 3/8" Carbide-Tipped Countersink Set includes a true brad point pilot drill bit sized for #6 screws in hardwood.

About Us: Founded in Boston in 1928, Woodcraft's operations were moved to Parkersburg, West Virginia in 1989. It's been over 90 years since Woodcraft first began selling high quality woodworking tools and supplies out of a one room shop in Boston's North End, and Woodcraft is still firmly committed to providing woodworkers with superior products and expert advice. We are America’s leading supplier of saws, hand planes, power tools, hand tools, wood stain and finishes, routers, sanding supplies, wood, wood turning project kits, dust collection, and wood carving tools. We also offer a wide selection of woodworking plans, books and videos. Our family of brands includes WoodRiver, Highpoint, Woodcraft, Pinnacle and Woodcraft Magazine.