LOT OF HSS COUNTERBORE DRILL BITS SIZES FROM 1" - 1 9/16 BRIDGEPORT MILL TOOLING - AR6029AR1 - M & J Tooling LLC
Precise 4MT High Speed Steel Taper Shank Drill, 1-9/16 X 9-5/8 X 15-1/4" - 5302-4136 - Penn Tool Co., Inc
9/16 - 1 PREMIUM COBALT Drill Bit Set - Drill Bit Warehouse
Amazon.com: AConnet 3/16" - 5/8" Masonry Drill Bit Set, 9Pcs 3/8 Inch SDS Plus Bit Rotary Hammer Drill Bits Set Carbon Steel Carbide Tip Concrete Drill Bit Set for Brick, Stone, Block,
Hilti TE-YX 1-9/16 in. x 36 in. Carbide SDS Max Imperial Hammer Drill Bit (Metric) 2120426 - The Home Depot