... in processing car, motorcycle engine parts, pistons, alloy wheels, motors, Ball-Nose milling cutter long shank PCD Made by GE from ... , pistons, alloy wheels, motors, silver jewelry, optical parts, aerospace, precision machinery and other difficult materials.MATERIALS RECOMMENDED FOR CUTTING WITH PCDAluminium ... .3 Sintered Carbide30-500.10-0.150.2-0.3 Ball-Nose milling cutter long shank PCD