On Mar 24, 1:25*am, "Tim" #__#@__.- wrote:

Check with McMaster-Carr or likewise. Ball washer sets can be purchased for
tie down on mill tables. Just set the desired angle and tighten the stud.

You can also buy tapered washers used when bolting things to I
beams. They are steel so would have to be painted. You also might
have to use two to get more angle.

Dan