. 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.Broach cutting using Drillco cutters means you can produce large diameter holes efficiently and quickly with less energy, faster penetration and less thrust.
11/16" to 4" have a 1/2" shank.Their portability makes them ideal for a wide range of professionals including electricians, plumbers, HVAC technicians, mechanics, general contractors, installers, DIY'ers and more..
5/8" have a 3/8" shank; 2. These ultra-hard teeth increase performance and tool life. 1-15/16 x 1" DOC Carbide Tipped Hole Cutter Drillco's line of carbide tipped hole cutters are ideal for drilling large diameter holes in both ferrous and non-ferrous materials.