Hiboo Tools' carbide square end mills are engineered with premium micro-grain carbide substrates and advanced geometric designs. Our carbide square end mills feature multi-layer nano-coating technology (including TiAlN, AlCrN options) that provides extreme surface hardness up to HRC65, exceptional wear resistance, and enhanced heat dissipation. The precision ground cutting edges ensur... https://www.hiboo-tools.com/Carbide-Square-End-Mills-pl41260547.html