Bolt Torque Calculator
Size System
Imperial (inches)
Metric (mm)
Finish / Coating
Raw (No Finish)
Black Oxide
Zinc-Plated
Cadmium-Plated
Oiled
Anti-Seize
Bolt Class / Material
4.8
8.8
10.9
12.9
14.9
Stainless (A2/A4)
Aluminum Alloy
Delrin (Plastic)
Titanium (Ti 6Al-4V)
Substrate Material
Matching Nut
Mild Steel Plate
High-Strength Steel Plate
Stainless Steel Plate
Aluminum Plate
Delrin
Titanium
Bolt Head Type
Hex
Socket Cap
Pancake
Countersunk
Flanged
Bolt Size
Thread Pitch
Torque (ft·lb)
Torque (N·m)
