I would keep grinding on those carriage bolt heads, and file the holes square to fit the square below the bolt head. I wouldn't grind on a lock washer like you did.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
