21700 - ESAB Replacement Retaining Nut .312 ID x .88 LG

Keep Your Rig Running with Genuine Parts

Every welder knows that the smallest part can cause the biggest headache if it fails. The ESAB 21700 Retaining Nut is the exact replacement you need when you find a stripped, lost, or worn-out nut on your equipment. Don't waste time rummaging through a bin of random hardware store nuts that "might" fit. This part is built specifically with a .312-inch inner diameter and a .88-inch length to fit your ESAB gear perfectly right out of the box. It’s all about getting you back under the hood and welding as quickly as possible without worrying about loose connections.

We know that your equipment takes a beating. Between the heat, the grime, and the constant movement, every bolt and nut is tested to its limit. That is why sticking with genuine ESAB parts is a smart move. This retaining nut is built tough to handle the vibration and stress of a working shop. It threads on smoothly and holds tight, giving you the peace of mind that your machine is assembled correctly. Whether you are doing a routine service or a quick field repair, having the right size nut means you aren't forcing threads or compromising the safety of your torch or feeder.

Think of this retaining nut as cheap insurance for your expensive welding machine. Using the wrong size or a lower-grade nut can damage the threads on your studs or shafts, turning a five-dollar repair into a five-hundred-dollar nightmare. The ESAB 21700 is designed to prevent that. It seats firmly, stays put, and handles the job it was designed for. It’s a simple part, but it’s an essential one for keeping your operation smooth and professional.

Don't let a missing nut stop your project dead in its tracks. Add a few of these to your toolbox or maintenance locker today. When you are in the middle of a job and need to secure a component, you'll be glad you have the factory-correct part ready to go. It’s reliable, it’s durable, and it’s made by the same people who built your machine. Trust ESAB quality to keep your arc burning and your downtime to a minimum.