Hougen 18122 11/16" X 1" Copperhead Carbide Tip Annular Cutter rotalocplus-kit The pilot serves three functions

The pilot serves three functions when used with "12

& 1-1/16") (2) Pilots

Only a thin area of material touches the outside of the hole which provides for less friction and a better hole finish

and last much longer than traditional holemaking methods

Hougen 18122 11/16" X 1" Copperhead Carbide Tip Annular Cutter rotalocplus-kit The pilot serves three functionsItem Details Hougen Copperhead Carbide Tip Cutters offer extended tool life on abrasive, tough to cut materials and in high speed mag drills such as the HMD906. The unique Hougen design includes a special tooth geometry that helps maintain a better chip flow than other brands.