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Doorlock Lube



For a long time, only dry graphite was recommended for locks, because oil 
would stiffen with age. This was the conventional wisdom even long after 
oils had improved. About 15 years ago, Briggs and Stratton, the major 
supplier of locks to the US auto indusrty, made WD40 their official lube. 
It has always worked for me, and it handles water better than dry graphite.

But the best lock lube of all is American Dripless Lock Lube, which is 
basically WD40 with graphite in it.

- -Ted Crum
 [email protected]
 1980 528i