Rather than using conventional bolts, some automakers rely on torque-to-yield bolts for specific engines. But why are these ...

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 ...

When hot rodders build a street machine or street rod, countless hours are expended selecting the proper major components, building the drivetrain, detailing the chassis, choosing the right tires and ...

We earn commissions from purchases you make using links in our articles. Learn more. A torque wrench is an extremely important tightening tool that you definitely don't want to skimp on. A torque ...

I was wondering whether a mechanical engineer type here could provide a reference for the proper grade of bolt to screw into a cast iron engine block. My theory, which appears to be backed by ...

Editor’s Note, 10/31/25: For this latest update, we added three new tools. The Craftsman 1/2-Inch Drive Torque Wrench is long and ideal for torquing larger bolts and fasteners. The Precision ...

Over-tightened bolts done in the wrong sequence are the number one cause of warped parts, breakage, and consequently equipment failure. As cars became more sophisticated and exactness more crucial the ...