CARBIDE BURRS ALUMINIUM CUT (AC) Set Contents Listed Below Part No. Head Dia. Description Cut Style CB-SA1-AC 1/4 Cylindrical End Cut AC CB-SC1-AC 1/4 Cylindrical Radius End AC CB-SD1-AC 1/4 Ball Shape AC CB-SC3-AC 3/8 Cylindrical Radius End AC CB-SD3-AC 3/8 Ball Shape AC CB-SE3-AC 3/8 Oval Shape AC CB-SA5-AC 1/2 Cylindrical End Cut AC CB-SF5-AC 1/2 Tree Shape Radius End AC