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