

Coats 8181113 Jam Nut 1/2-13 for Tire Changers GR4
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Coats 8181113 Jam Nut, 1/2"-13 for Coats RC, APX, GTS, and X-Series Tire Changers
Working on the swing arm or tiltback tower of your Coats machine? The jam nut is one of those parts that has to be right. It's what locks the vertical bar locking mechanism in position, and if the replacement isn't the correct spec, your repair doesn't hold the way it should. The Coats 8181113 is a 1/2"-13 GR4 jam nut built specifically for RC, APX, GTS, and X-Series models. Confirmed fitment means you're not pulling this job apart a second time because the hardware didn't seat properly.
High-grade steel with a corrosion-resistant coating. It goes back in and works the way the original did — no sourcing a generic from the hardware store and hoping the thread pitch lines up. Part number 8181113 is the confirmed reference for this application. When the spec is right, the repair is right.
We stock genuine Coats replacement parts and turn orders around fast. If your machine is already down, that matters. Get the right hardware on hand now, and your next repair doesn't become a waiting game for a part that should have been on the shelf already.
Specifications
| Part Number | 8181113 |
| Type | Jam Nut |
| Thread Size | 1/2"-13 |
| Grade | GR4 |
| Material | High-grade steel |
| Finish | Corrosion-resistant coating |
| Function | Secures vertical bar locking mechanism |
| Compatibility | Coats RC, APX, GTS, X-Series tire changers |
Correct fitment, in stock, and ready to ship. Add it to your cart and we'll get it out the door.
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