Ever been strolling through a hardware store or perhaps an auto parts establishment and wondered of the meaning behind the markings on the hundreds of thousands of bolt heads on the shelf? Whether you ...

Part 1: A-ating Look at the Bolts and Studs That Hold Your Engine Together—We'd Really Be Screwed Without Them! Bolts, nuts, and washers: They're what keeps your engine, drivetrain, chassis—heck, the ...

Bolts, nuts, and washers: They hold your ride together. But how well are they doing their job? Hopefully, you've read Part 1, which covered engine and driveline fasteners primarily subjected to ...

A special thread form keeps bolts and nuts tight under vibration by attacking the problem from a different angle. Two conventional methods for securing threaded fasteners against preload loss include ...