Black oxide coating for added corrosion resistance and added lubricity. Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance. Black oxide coating resists corrosion.
Black oxide coating for added corrosion resistance and added lubricity. Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance. Black oxide coating resists corrosion.