All fastener stretch when tightened ... than you are attempting to reuse the originals. TTA bolts, however, are reusable for a few torque applications. GM LS and LT engines use TTA bolts for ...

Most engineers who deal with bolted joints are familiar with torque tables for SAE-grade bolts, but these are all too often used without regard for the yield strength of internal threads or the ...

Something a lot of weekend wrench-spinners overlook is “torquing” their nuts and bolts. Torque values for fasteners are called out in every shop manual…but does bolt torque matter?

Some bolts do not require as much care because of the way they are built or designed. Joints using soft fasteners, such as Grade 2 bolts, will yield before breaking. On the other hand, there are ...