Cylinder Bur SB End Type Flat Cut Type Single Shank Dia 1/4 in Head Dia 1/4 in Head Length 5/8 in Included Angle Not Applicable Overall Length 2 in Trade Number SB-1 Primary Material Application Brass Bronze Carbon Steel Cast Iron Stainless Steel Titanium Head Shape Cylinder Operating Speed - Maximum 70 000 RPM Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide