Triumph® Carbide Burr, Series: SA Series, 3/8 in Diameter Head, 3/4 in Length of Cut, No End Cut End, Cylindrical Head Shape, 1/4 in Shank Diameter, Solid Carbide Head, Bright Head Coating, Applicable Materials: Brass, Bronze, Cast Iron, Chrome Stainless Steel, Copper, Nickel, Steel, Steel 40-55 Rc, Steel 55-60 Rc, Steel Weldments and Titanium, Industry Specification: SA-3