Structural Bolt Tightening: Torque or Tension, which is Correct?

A325 and A490 are high-yield structural bolts used mostly in applications for bridges and steel-framed buildings.

These bolts have specific load/tension requirements per their ASTM specifications. But what about torque?

That’s a question we get quite often here are Maxpro: What is the torque required for the bolts?

This always leads to a discussion with the customer on the difference between required bolt load (tension) and torque (applied force).

Read More


Subscribe to Blog


See all

Latest Blog Posts

Request the MaxPro Brochure
Torque Conversion Calculator