Carbide Bur End Type Radius Cut Type Double Shank Dia 1/4 in Head Dia 1/2 in Head Length 1 in Included Angle Not Applicable Overall Length 7 in Trade Number SF-5L6 Primary Material Application Brass Bronze Carbon Steel Cast Iron Copper Stainless Steel Titanium Head Shape Tree Operating Speed - Maximum 50 000 RPM List Number 1848 System of Measurement Inch Coating Bright (Uncoated) Head Material Carbide Shank Material Hardened Steel