Carbide Bur End Type Pointed Cut Type Double Shank Dia 1/4 in Head Dia 1/4 in Head Length 1/2 in Included Angle 22 Degrees Overall Length 2 in Trade Number SM-1 Primary Material Application Brass Bronze Carbon Steel Cast Iron Copper Stainless Steel Steel Titanium Head Shape Cone Operating Speed - Maximum 65 000 RPM List Number 310M System of Measurement Inch Coating Bright (Uncoated) Head Material Carbide Head Material Grade C2 Submicron Shank Material Carbide