Carbide Bur End Type Flat Cut Type Double Shank Dia 1/4 in Head Dia 3/8 in Head Length 3/8 in Included Angle 13 Degrees Overall Length 2 3/32 in Trade Number SN-2 Primary Material Application Brass Bronze Copper Ferrous Metals Nickel Titanium Head Shape Inverted Cone Operating Speed - Maximum 19 000 RPM System of Measurement Inch Coating Bright (Uncoated) Head Material Carbide Shank Material Steel