SOLID CARBIDE BURRS/BURS, ROTARY FILES, DEBURRING TOOLS. DOUBLE CUT BURRS for fast chip dispersal in ferrous materials. SINGLE CUT (NF) for softer materials (aluminum and plastics). Ball End, Countersink, Cone (Radius/Pointed), Cylindrical (Plain/End Cut/Pointed), Flame, Inverted Cone, Oval, Tree (Pointed/Radius), Aluminum Burrs, Miniature Burrs