Jaw width is the fastest shortcut to sizing a bench vise. This guide maps typical jaw widths to the jobs they serve.
12″-5″ — Light Duty
Electronics assembly, jewelry, craft, small woodworking and model work. Forces of 1200-1500 lbs hold small parts without crushing them.
26″-8″ — Medium Duty
General metalwork, auto repair, fabrication and woodworking. 3000-4000 lbs of force with replaceable hardened jaws and optional pipe jaws for round stock.
38″-10″ — Heavy Duty
Pipe fitting, ship work, mining maintenance and heavy fabrication. 6000-8000 lbs of force, forged steel bodies and anvil surfaces for shaping work.
4Specialty Size Considerations
Precision and machine vises are sized by jaw height and table slot, not just width — measure your CNC table and workpiece before choosing.
FAQ
Quick Answers
Is a bigger jaw always better?+
No. Oversized jaws add weight and cost and can crush small workpieces with excessive force. Size to your largest regular job.
Do I need pipe jaws?+
Only if you regularly hold round stock — pipe, rod and tube. Pipe jaws (or a dedicated pipe vise) grip cylindrical work without slipping.
Next Steps
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