Niagara Cutter RTM447 1/4 3 Flute Fine Pitch Roughing Cobalt End Mill Weldon Flat Shank TiCN N88457

Cobalt Is Harder Than High Speed Steel And Provides Better Wear Resistance. It Is Commonly Used On High Tensile Alloys.Titanium Carbonitride (Ticn) Is Harder And More Wear Resistant Than Tin. It Is Commonly Used On Stainless Steel, Cast Iron And Aluminum Alloys.