Carbide Bur End Type Pointed Cut Type Single Head Dia 3/8 in Head Length 5/8 in Included Angle 28 Degrees Overall Length 2 1/2 in Trade Number SM-4 Primary Material Application Cast Iron Ferrous Metals Non-Ferrous Metals Steel Head Shape Cone Operating Speed - Maximum 66 000 RPM Coating Bright (Uncoated) Head Material Carbide Shank Material Steel