[Shop-talk] What the heck screw do I need? And where do I get one?

[Pat Horne]

We have an architectural recovery company nearby. Check out www.discoveries.net. If anyone has the screws, they will. 

Peace,
Pat

Pat Horne 
We support Caldwell County Habitat for Humanity


On Mar 3, 2017, at 6:35 PM, David Scheidt <dmscheidt at gmail.com> wrote:

I have a number of door knobs that need set screws to hold them to
their spindles.  (Square threaded spindles in mortise locksets.)  The
normal size of these is 1/4-20 or rarely 5/16-24 or even more rarely
1/4-28.  The existing screws are 28 tpi, with a major diameter of
0.280.  That's no screw thread I know of, but I have a house full of
them (identical glass door knobs, presumably original to the house,
circa 1925.) so it must be something.


-- 
David Scheidt
dmscheidt at gmail.com
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