Tree Bur SG End Type Pointed Cut Type Single Shank Dia 1/4 in Head Dia 3/8 in Head Length 3/4 in Included Angle Not Applicable Overall Length 2 1/2 in Trade Number SG-3 Primary Material Application Cast Iron Ferrous Metals Non-Ferrous Metals Steel Head Shape Tree Operating Speed - Maximum 66 000 RPM Coating Bright (Uncoated) Head Material Carbide Shank Material Steel