Section 16 MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THEREOF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORDERS AND REPRODUCERS AND PARTS AND ACCESSORIES OF SUCH ARTICLES 84 NUCLEAR REACTORS, BOILERS, MACHINERY AND MECHANICAL APPLIANCES; PARTS THEREOF 84 63 OTHER MACHINE-TOOLS FOR WORKING METAL OR CERMETS, WITHOUT REMOVING 84 63 20 THREAD ROLLING MACHINES 84 63 20 00 THREAD ROLLING MACHINES Commodity Code Description 84 63 20 00 000 THREAD ROLLING MACHINES