Just about every product has several parts connected by bolts, screws, or pins. One assembly task often calls for sizing bolts and finding the effect of the connection on the whole assembly. Analysis ...

Nut and bolt sizers are a handy way to figure out the size of ratchet or socket wrench you need for a big project. They're not terribly expensive, but if you'd prefer to build your own for even ...

The clever 3-thread rule will enable you to fix engagement problems when using bolts, and it will also help you avoid issues ...

What do the small lines or numbers stamped on a bolt actually mean, and why do they matter? In an article featured on ...

PITTSBURGH, Nov. 25, 2025 /PRNewswire/ -- "I wanted to create a handheld electronic device to quickly measure the size of a metric or standard nut or bolt head," said an inventor, from Newport, Ark., ...

Few fasteners can beat threaded ceramics nuts and bolts when it comes to withstanding heat, pressure, and corrosive environments. Just don't torque them too tight. Back in the late 1980s, I had my ...

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 ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? One of the essentials you should have in your tool set is a good nut driver. A nut ...

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 ...