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 ...

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 ...

It's tempting to reuse cylinder head bolts, especially if they pass the eye test. But there are some kinds of bolts you should never, ever reuse.

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 ...