3 mm, Head Dia.
76mmx6mm Hardened Steel Shank 4 49/64 mm, Head Length 12 45/64 mm, Included Angle Not Applicable, Overall Length 38 3/32 mm, Trade Number SC-53, Primary Material Application Brass, Bronze, Carbon Steel, Cast Iron, Stainless Steel, Titanium, Head Shape Cylinder, Coating Bright (Uncoated), Head Material Carbide, Shank Material Carbide Cylinder Bur SC, End Type Radius, Cut Type Double, Shank Dia.