Ball Bur SD, Cut Type Double, Shank Dia. 6 mm, Head Dia. 6 mm, Head Length 6 mm, Included Angle Not Applicable, Overall Length 50.80mm, Trade Number SD-1, Primary Material Application Brass, Bronze, Carbon Steel, Cast Iron, Copper, Stainless Steel, Titanium, Head Shape Ball, Operating Speed – Maximum 70,000 RPM, Coating Bright (Uncoated), Head Material Carbide, Head Material Grade C2 Submicron, Shank Material Carbide