Carbide Bur Pointed Cone Shank Size 1/8 In. Cutting Edge Type Single Cut Overall Length 1 1/2 In. Length of Cut 1/2 In. Cutter Dia 3/16 In. Angle 16 Degrees Max RPM 30000 To 40000 Shank Material Hardened Steel Trade Number SM-53 Application For General Purpose Use On Steel Cast Iron Ferrous And Non-Ferrous Materials