3 Flute Drill AlTiN Coated, Drill Bit Size: 11/16

  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..

Broach cutting using Drillco cutters means you can produce large diameter holes efficiently and quickly with less energy, faster penetration and less thrust..

Drillco's TCT Hole Cutters are an excellent performing, cost effective alternative to bi-metal hole saws. 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.5/8" have a 3/8" shank; 2.

.Because of the inaccessibility or the extreme depth of a hole, it is found that even long series drills are not long enough.  The drilling of such holes generally requires the use of an Extra Length Drill.

  The drilling of such holes generally requires the use of an Extra Length Drill.  The drills are made with a general purpose flute design which will perform satisfactorily under the widest range of operating conditions and materials..Because of the inaccessibility or the extreme depth of a hole, it is found that even long series drills are not long enough.