John Husvar wrote:
I could send you about 5# of 1-1/2 inch long HHCS in 1/4-20 thread with
10mm heads.

And they ain't bad 6mm X 1.0s either. They're real honest-to-God 1/4-20.

God alone knows where those came from. I've never seen them as original
parts on any of the wheelchairs come into our shop. Been some chairs go
out with them though.
I have some similar to those . I think the thread must have been spect.
by the US Co. but the heads wernt so the Asian mfgr. used metric for the
benefit of the assemblers who have metric tools. Or something like that.
...lew...