Mike Partridge gave me a helping hand also.robcurrie wrote:The spacer has a diameter 17 mm hole drilled in the back 17 mm deep, the bolt hole is diameter 10 mm, the captive nut is diameter 16 mm x 16.8 mm.
Rob C
For future reference:
ID 3/8" (9.53 mm + clearance)
OD 1" (25.4 mm)
Length 1 7/16" (36.5 mm)
It has to be recessed (bored) 11/16" Diameter (17.5 mm) for a depth of 9/16" (14.3 mm) at one end.
Thanks go out to Rob and Mike.
-Knut