APT - 1-7/8 Inch Hole Using TPGH 321, Carbide Auxiliary Pilot Blade - Series E, Indexable Insert Blade

Solid carbide is extremely heat resistant and used for high speed applications. It is commonly used on cast iron, nonferrous materials, plastics and other tough-to-machine materials.

Uncoated tools do not feature supportive treatments on the cutting edge. They are are used at reduced speeds in general applications on non-ferrous metals.