Flame Bur SH Cut Type Double Shank Dia 1/8 in Head Dia 3/16 in Head Length 3/8 in Included Angle Not Applicable Overall Length 1 1/2 in Trade Number SH-53 Head Shape Flame Operating Speed - Maximum 75 000 RPM List Number 820 Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide