$50.99 NEW LENOX 1-1/8 CARBIDE HOLE CUTTER 20096-18CHC drill METAL CUTTING USA bit saw 82472200966 | eBay
Champion 4-1/8-Inch Carbide Tipped Hole Cutter / Hole Saw Metal Cutting 846035085915 | eBay
Bosch 4-1/8 in. MultiConstruction Carbide-Tipped Hole Saw for Wood, Masonry, Metal and Fiber 
