"Upscale" wrote in message
...
On Wed, 24 Mar 2010 16:49:21 -0500, Swingman wrote:

My Bessey's are close enough not to worry about, and the results have so
far been perfect enough.

Think I remember reading that the jaw faces aren't completely parallel
until they're clamped down at which point they do align forming a
perfectly square clamping surface.


That is correct however that point is at a specific pressure at any given
opening distance. Change the opening distance or pressure and you are over
or under.