1/4 in, Head Dia.
Carbide Bur, 1853 SD-14 CLE-SD Ball Shaped Bur Double Cut 3/16"x1/4" Solid Carbide Shank 3/16 in, Head Length 1/8 in, Included Angle Not Applicable, Overall Length 2 in, Trade Number SD-14, Primary Material Application Brass, Bronze, Carbon Steel, Cast Iron, Copper, Stainless Steel, Titanium, Head Shape Ball, Operating Speed - Maximum 80,000 RPM, Coating Bright (Uncoated), Head Material Carbide, Head Material Grade C2 Submicron, Shank Material Steel Ball Bur SD, Cut Type Double, Shank Dia.