1/4 in, Head Dia.
.Carbide Bur,Taper Radius,5/16,1/4 Shank 5/16 in, Head Length 7/8 in, Included Angle 14 Degrees , Overall Length 2 5/8 in, Trade Number SL-2, Primary Material Application Brass, Bronze, Carbon Steel, Cast Iron, Copper, Stainless Steel, Steel, Titanium, Head Shape Cone, Operating Speed - Maximum 60,000 RPM, List Number 310L, System of Measurement Inch, Coating Bright (Uncoated), Head Material Carbide, Head Material Grade C2 Submicron, Shank Material Steel Carbide Bur, End Type Radius, Cut Type Single, Shank Dia.