Screw

Details Screw Screw

1979-09-19

1982-06-08

Bullock, B. J.

Tools and hardware

Fastener, support or mount not elsewhere specified

Fastener or coupling

D 8388, D0808

Patent

active

D02648075

REFERENCES:
patent: 3747143 (1973-07-01), Eager
Hassall Cat. 40, .COPYRGT.1941, p. 35, Threaded Nail (second from top, right center).
Unbrako Metric Socket Screws Brochure, front cover, Screw (far right).

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