Essentially, tools help put something together or take it apart. Nails call for a claw hammer. Screws, a screwdriver. But when it comes to nuts and bolts, the choice is not as clear. Should it be a ...

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 ...

In order to support something as heavy and fast-moving as an automobile, car wheels — from the best to the worst brands — need to be sturdy and secure. An essential element to achieve this are the lug ...

Historically, impact wrenches were predominantly pneumatic and required investing in an air compressor. But these days, improvements in battery-powered impact wrench technology makes them a viable—and ...

Attaching wheels to a truck hub is serious business. Yet it's not uncommon to see some big bruiser of a mechanic, one foot against the bottom of the tire, whaling away with a 1-inch-drive impact gun ...