Champion carbide burs are manufactured in the U.S.A. from C2 tungsten carbide, Titanium Nitride coated for superior surface finish and long life - at no extra cost. Carbide burs are one of the most versatile metal working tools. Used in virtually every industry, burs are used in mold and pattern making, die sinking, tool making and maintenance. Used widely in the automotive, aerospace, foundry, power station and engineering industries. SA3-IPAC, Champion cylinder shape SA3-IPAC TiN coated double cut carbide bur.