Guhring - Series 4112, 21mm Diam Grade K/P 140° Replaceable Drill Tip - Carbide, Nano-FIREX Finish, 210 Seat Size

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.

nano-FIREX is a micro-layered coating that combines the characteristics and universal applicability of TiN, the heat resistance of TiAlN and the shock resistance of TiCN. The nano-FIREX(R) structure increases overall thickness and shock resistance when compared to FIREX . FIREX is a proprietary coating exclusive to Guhring, Inc.