Spherical Washer Are There Any Spherical Bolt And Washer Assemblies That Allow More Than 3 Degrees Difference Between Surfaces?

Are there any spherical bolt and washer assemblies that allow more than 3 degrees difference between surfaces? - spherical washer

Typical Bolt spherical washer assemblies can be not only a 3-degree of parallelism between the surfaces bolted together. I would be a device that is inserted with divisor of 0 to 15 degrees between the surfaces, and thus a difference of 15 degrees. I know that two of the four holes was in the orientation of the clamp screw with a big change to keep, but the same bolt that eventually up to 15 degrees from the vertical.

Here are links to photos of Standard Mounting:
http://www.jwwinco.com/products/section1 ...
http://www.invert-a-bolt.com/shop_cmc7.s ...