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 bolt’s ...

There are numerous reasons why a bolt might be too long for its intended use on a project. The first is the bolt needs to be shortened in order to fit into place. It might also be for cosmetic reasons ...

Over the past few weeks we've looked at handy flexible hose clamp pliers, screw-holding screwdrivers and battery desulfators that rescue batteries from the dead. This week's cool tool, the nut and ...

If you need to remove some broken bolts, you don't necessarily need a drill to get the job done. Here is how to handle the ...

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 ...

Few things disturb us more than the bewilderment of a broken bolt or seized pipe plug in a casting. You’re at a loss for how to get the darned thing out. This is when you have to slow down and come up ...

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 ...

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 ...

[Rudi Schoenmackers] has devised a clever set of custom 3D-printed jigs that makes it easy to build your own wooden hex nuts and bolts. Well, easy if you have access to a woodworking shop with a ...