Thanks to all who posted. I haven't found what I was looking for so
may go with plain flat washers or look at Ned's suggestion.

BYW I emailed McMaster Carr last night describing what I was looking
for and got an email back first thing this morning. They don't have
it but that was good response even so.

Thanks again

Errol Groff

Instructor, Machine Tool Department
H.H. Ellis Regional Technical School
Danielson, CT 06239

860 774 8511 x1811