Hougen 18451 51MM X 50MM Copperhead Carbide Tip Annular Cutter rotaloc The tapered inner diameter provides

The tapered inner diameter provides a relief area between the slug & cutter to reduce horsepower & improve slug ejection

For use in sheet metal

The blue colored foam allows you to

Tapping Kits are not recommended for use with swivel base drills

Hougen 18451 51MM X 50MM Copperhead Carbide Tip Annular Cutter rotaloc The tapered inner diameter providesItem 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.