Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc.
Patent
1992-03-24
1994-12-27
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
411427, F16B 3300
Patent
active
053759559
ABSTRACT:
A fastener component has size indicia thereon. The size indicia is used to identify the size of the tool to be used in attaching, adjusting or removing the fastener, a dimensional size of the fastener, or both.
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"Steel Structures", Charles G. Salman & John E. Johnson, 1980, pp. 96-98.
American Society for Testing and Materials (ASTM), 1984, Designations A307-83a, A563-83a, F568-83, F593-82, F738-81.
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