Locking screw

Details Locking screw Locking screw

1987-06-22

1990-10-02

Bullock, B. J.

Tools and hardware

Fastener, support or mount not elsewhere specified

Fastener or coupling

Patent

active

D03109569

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patent: 4907989 (1990-03-01), Huska
Eskay Catalog 1980 Stock List; p. 31; Round Washer Head (2nd from bottom, 2nd col.).

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