Reference

Bench vise opening reference

Worked max-opening examples and class checks for common US multipurpose bench-vise screens.

Smallest class with class.maxOpen ≥ opening_in.

Details

Bolt to bench · eye protection · pinch points · pipe-jaw limits.

Tools

3.0 ≤ 4.7 max open → 4 class.

Details

Enter opening_in 3.

Tools

Fails 4 (5.5 > 4.7); clears 6 (5.5 ≤ 6) → 6 class.

Details

Enter opening_in 5.5.

Guides

Fails 4/6; clears 8 (7.5 ≤ 8) → 8 class.

Details

Enter opening_in 7.5.

Reference

10 > 8 max open ceiling → NO_MATCH.

Details

Do not force an 8 in class for this opening.

Guides

Guides, calculator, and comparisons.