ASNOMY 10PCS Carbide Forstner Drill Bit Set, 5/8"-2-1/8" Inch Carbide Tipped Forstner Bit for Hard Wood, Wood Drilling Hole Saw Set Woodworking Hinge Cutter Tool Kits for Wood Plastic Plywood - Amazon.com
HARFINGTON Forstner Drill Bit 22mm (7/8") Dia 8mm (5/16") Round Shank Serrated High Carbon Steel Hole Opener for Wood Drilling Hinge Woodworking - Yahoo Shopping