470 / | HD | THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS |
1 | DF | PROCESS {5} |
18 | DF | .~ Making internally threaded fastener, e.g., nut {5} |
20 | DF | .~.~ Having securement feature {1} |
21 | DF | .~.~.~ Fusible or deformable type {1} |
22 | .~.~.~.~ Weld nut type |