... car, motorcycle engine parts, pistons, alloy wheels, motors, silver jewelry, optical parts, aerospace PCD InsertsMade by GE from the ... processing car, motorcycle engine parts, pistons, alloy wheels, motors, silver jewelry, optical parts, aerospace, precision machinery and other difficult ... 0.250.2-0.3 Carbon Composites500-20000.10-0.380.2-0.3 Sintered Carbide30-500.10-0.150.2-0.3 CBN/PCD Diamond ...