03-06-2012, 01:21 PM
Arvid,
There is a top and bottom to the surface plate so parallelism is not a feature. One side will be ground flat and the other is usually kind of rough. At least that's the case with the two granite surface plates I have.
Ed
There is a top and bottom to the surface plate so parallelism is not a feature. One side will be ground flat and the other is usually kind of rough. At least that's the case with the two granite surface plates I have.
Ed