428 / | HD | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
544 | DF | ALL METAL OR WITH ADJACENT METALS {31} |
577 | DF | .~ Intermediate article (e.g., blank, etc.) {3} |
583 | .~.~ Having discrete fastener, marginal fastening, taper, or end structure {2} | |
584 | DF | .~.~.~> Same structure at both ends of plural taper |
585 | DF | .~.~.~> Single taper (e.g., ingot, etc.) |