1/4 in, Head Dia.
.Carbide Bur, 1845 SA-4 CLE-SA Cylindrical Bur w/o End Cut Standard Cut 7/16"x1/4" Hardened Steel Shk 7/16 in, Head Length 1 in, Included Angle Not Applicable, Overall Length 2 3/4 in, Trade Number SA-4, Primary Material Application Brass, Bronze, Cast Iron, Zinc, Head Shape Cylinder, Operating Speed - Maximum 58,000 RPM, List Number 1845, System of Measurement Inch, Coating Bright (Uncoated), Head Material Carbide, Shank Material Hardened Steel Carbide Bur, End Type Flat, Cut Type Single, Shank Dia.