Had to redo a whole set of plans because I missed a 0.5mm tolerance on a bolt hole

Seth Smith · 2026-07-03T00:45:03.760649+00:00

I was working on a steel frame detail for a job in Portland and the fabricator called me out for using a 12mm hole for a 12mm bolt instead of 14mm. Ever since then I double check all my clearance specs before I hit plot.

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Had to redo a whole set of plans because I missed a 0.5mm tolerance on a bolt hole | Drafters - HW Forums