Carbide Bur End Type Flat Cut Type Double Shank Dia 1/4 in Head Dia 1/4 in Head Length 1/2 in Included Angle Not Applicable Overall Length 6 1/2 in Trade Number SA-1L6 Primary Material Application Brass Bronze Carbon Steel Cast Iron Stainless Steel Titanium Head Shape Cylinder Operating Speed - Maximum 70 000 RPM List Number 1845 System of Measurement Inch Coating Bright (Uncoated) Head Material Carbide Shank Material Hardened Steel