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 Not Applicable Overall Length 6 1/2 in Trade Number SG-1L6 Primary Material Application Brass Bronze Carbon Steel Cast Iron Copper Stainless Steel Steel Titanium Head Shape Tree Shank Length 6 in Operating Speed - Maximum 65 000 RPM List Number 310G System of Measurement Inch Coating Bright (Uncoated) Head Material Carbide Head Material Grade C2 Submicron