Solid grade C-2 carbide end mill - center cutting Crystalline diamond coating Up to 17 times tool life versus uncoated end mills
3/8 .030 4FL 7/8 F/L DIAMOND Solid grade C-2 carbide end mill - center cutting Crystalline diamond coating Up to 17 times tool life versus uncoated end mills For graphite, fiber-reinforced plastics, carbon fiber and high silicon aluminum Radius tolerance +.001-.001 (+.025-.025mm)