Choosing and Using Sheet Metal Grommets the Right Way

If you've ever sliced a wire on a jagged edge while running a cable through a panel, you already know why sheet metal grommets are a total lifesaver. It's one of those small, humble pieces of hardware that people tend to overlook—until they realize their expensive wiring harness is being slowly chewed up by a sharp piece of steel. Whether you're working on a classic car, building a custom PC case, or just fixing a hole in a metal shed, these little rings are the difference between a professional-grade job and a fire hazard. ...

February 14, 2026 · 6 min · Dana Gross