Carbide Bur End Type Flat Cut Type Steel Shank Dia 1/4 in Head Dia 1/4 in Head Length 5/8 in Included Angle Not Applicable Overall Length 2 in Trade Number SA-1 Primary Material Application Cast Iron Steel Head Shape Cylinder Operating Speed - Maximum 65 000 RPM System of Measurement Inch Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide