SOMADA 1-1/2 Inch Forstner Drill Bit for Wood, 3/8-Inch Round Shank, Wood Drill Bit for Soft and Hard Wood for use in Drill Press - Amazon.com
17" Wood Auger Bit - 1-1/2"
HSS Twist Drill Bits 1/2" Reduced Shank 12mm-35mm for Metal Iron Aluminum Wood | eBay
Forstner Wood Boring Drill Bits 22mm 23mm Dia. Hole Saw Carbide Alloy Steel Round Shank for Hinge Plywood Wood 2in1 Set - Walmart.com
Wood Owl Tri-Cut Ultra Smooth Auger Bit - 7-1/2" Length
Amazon.com: 1 1/2 inch Hole Saw Drill Bit for Metal and Wood, M42 Bi-Metal Hole Cutter with 1.5” Cutting Depth for Plywood, Fiberglass, Acrylic, Drywall and Sheet Steel : Tools & Home Improvement