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Thanks All for your comments and suggestions. @desertfox, I will try your calculation again and see if I get similar load. We can apply torque through electric torque gun, which also applies degrees rotation required. But I believe the joint is poorly design and OEM is unwilling to provide...

1. Its metal into composite material, so certain limiting factors of the joint design as proprietary with Manufacturer. 2.Yes it is a stud. Control methods are difficult as blade hole, but we due to past issues we are working on using UT to prove 3.Torque is only option due to acceess/bolt...

Great response thanks - Agree torque is low, a lot of bolts in joint but its not a standard joint. Will read Bickfords book, great pointer thanks!

Thanks Everyone - we can do the torque and 120 degrees in the field, I just wanted additional assurance to know the load in the bolt. I can get these tested in lab environment, and get measurement on elongation based on torque and additional 120 degree rotation.

Thanks, but 350Nm would not take a 10.9 bolt near yield. I am not trying to use equivalent torque, would like to understand the load applied once 120 degrees rotation is applied.

Hi All, Quick question - A supplier is proposing a joint with a torque of 350Nm and 120 degrees rotation. What would the 120 Degree rotation equate to in torque or is there a simple equation be available? Bolt is 10.9 grade and M30 Thanks!

Hi All, Just wanted to check a quick calculation. I have a external gear on a gearbox with 89 teeth. (its brake disk but it has teeth on it) For maintenance purposes, I want to rotate this and in a certain situation. I know the torque to rotate gearbox is 8kNm If I attach a drive unit...