Sandvik Coromant RA215.3C Carbide Square Nose End Mill, TiAlN Monolayer Finish, Finishing Cut, Non-Center Cutting, 30 Deg Helix, 12 Flutes, 3.000" Overall Length, 0.5" Cutting Diameter, 0.5" Shank Diameter Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems Titanium aluminum nitride coatings become self-lubricating when used at very high speeds, making them ideal for cutting without coolant ("dry machining") Round shanks allow use with a wide variety of toolholding systems Shank Style: Cylindrical Geometry: H Straight -11 to -21 materials over 48 HRC Core diameter 75% Gauge Length: 1.228