Machining A Vise Square

[JR49]

My Grizzly table had similar problems, but worse. I was able to scrape it in well enough to be usable using a piece of plate glass as a surface plate.

John, How thick is the Plate glass that you use as a surface plate? thanks, JR49

 

[John Hasler]

I use two 2'X2' pieces of 1/4" glass on my cast-iron table saw table. Thicker would be better, but it's what I've got.

 

[jmh8743]

might look at this, unique approach to "is it "square?"