Self-drilling fastener

Details Self-drilling fastener Self-drilling fastener

1989-02-06

1990-02-13

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Externally threaded fastener element, e.g., bolt, screw, etc.

Multipart

411387, F16B 2500, F16B 3502

Patent

active

049002074

ABSTRACT:
A self-drilling fastener comprises a two-piece fastener assembly. The driver body of non-corrosive molded form includes a hex socket for torquing the fastener in position and a threaded shank. The shank receives a steel pointed member through a lower coupling socket. The pointed tip includes a threaded body portion. The fastener assembly is torqueable as a unit for installation.

REFERENCES:
patent: 2993950 (1961-07-01), Forman
patent: 3935786 (1976-02-01), Murray et al.
patent: 4022099 (1977-05-01), Ballantyne
patent: 4762453 (1988-08-01), DeCaro
patent: 4784554 (1988-11-01), Break

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