Non-toxic 2.3/8, Annular Cutters, 2" Depth Of Cut, Carbide Tipped Take An Extra 30% Off [zhA1RLIp]

Broach cutting using Drillco cutters means you can produce large diameter holes efficiently and quickly with less energy, faster penetration and less thrust. Rather than drilling out the metal with a solid drill, Drillco cutters remove only the periphery of the hole, ejecting a slug at the end of the cut.