TorqueSpec
Bolt torque database

Bolt Torque by Material

Different materials require different torque specifications. K-factors, proof strength, and installation practices vary significantly between material types.

Stainless Steel

Torque specifications for stainless steel bolts. K-factors, corrosion resistance...

Alloy Steel

Torque specifications for alloy steel bolts. Classes 10.9 and 12.9, SAE Grade 8,...

Carbon Steel

Torque specifications for carbon steel bolts. Classes 4.6 through 8.8, SAE Grade...

Brass

Torque specifications for brass bolts and fasteners. Low-strength, non-sparking,...

Titanium

Torque specifications for titanium bolts. Grade 5 (6Al-4V) properties, weight sa...