Amazon.com: 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 :
Steelex D3654 4-5/8-Inch Heavy Duty Forstner Bit with Screw Tip , black - - Amazon.com