This story appears in the June 29 print edition of Transport Topics. Old habits are hard to break, but engine parts that are tightened beyond specifications can be easy to break. For many engine ...

Thread the nut onto the bolt, hit it with 37 “ugga-duggas” and it’s all done, right? *insert buzzer here* Whoops! That’s a fail, and now you have a broken bolt. If you have been turning wrenches for a ...

Using a torque wrench incorrectly can be worse than tightening by feel. Fix the most common mistakes with these shop-proven ...

When your foot is blue and your motor is reaching for the moon, we know what you're thinking: It's a good thing this engine's rock solid. At least we hope that's true. And as important as good-quality ...

What's a torque wrench? It's a referee, says Greg Katsis, marketing manager for Sturtevant Richmont, a manufacturer of torque-measurement systems in Franklin Park, Ill. It makes sure that big, burly ...

After a decade of helping bang the drum promoting proper torque, it appears the effort has not gone to waste. Most fleets and truck tire service providers fully recognize the importance of tightening ...

This article has been updated. A torque wrench is a precision instrument designed to apply a specific amount of force to a fastener. Whether tightening head bolts on an automobile engine, lugs for ...

This story appears in the Nov. 3 print edition of Transport Topics. Maintaining proper wheel torque requires a lot more than simply clamping down on lug nuts. Clean mounting surfaces and adequate ...

Torque-to-yield (TTY) bolts, also known as angle torque or stretch bolts, are fasteners designed to be tightened beyond their elastic range and into a controlled yield zone. Their job is to apply a ...

An Introduction to the Design and Behavior of Bolted Joints, John G. Bickford, 1995 Threaded-fastener technology has been around since screws were used at the Hanging Gardens of Babylon in the 7th ...