At a Glance
- >(1) U-Bolt – Part 011-064-00
- >(2) Coned Top Nuts – Part UBN-10C
- >5/8"-11 thread configuration
- >Designed for heavy-duty trailer axle applications
- Brand: Dexter
- SKU: 11-64-KIT
Match the part number, measurements and connection points that apply to your trailer.
| Hub Face | Measure hub face to hub face. |
|---|---|
| Spring Center | Measure mounting centers and confirm perch configuration. |
| Capacity | Match the required axle rating. |
| Brakes | Confirm brake type and flange configuration. |
U-bolt and nut kit designed for select 9,000 lb and 10,000 lb trailer axles.This kit includes one heavy-duty U-bolt and two matching coned top nuts.Commonly used on Dexter 9K and Lippert 10K axle applications requiring 4" inside width and 5/8"-11 threads.
U-bolts secure the trailer axle to the leaf spring pack and spring seat,maintaining proper alignment under load.Correct inside width and depth are critical to ensure the axle tube seats fully without binding.
Always verify axle tube diameter, required inside width,thread size, and thread length before installation.
| Specification | Detail |
| U-Bolt Inside Width | 4" |
| U-Bolt Depth | 8.4" |
| Thread Size | 5/8"-11 |
| Thread Length | 2" |
| Nut Type | Coned Top |
| Nut Outside Diameter | 7/8" |
| Common Applications | Dexter 9K & Lippert 10K Axles |
Verify specifications before installation.

Selected from R&P customer feedback for Trailer Axle / Running Gear products and related trailer service.
“Got me the axle I needed right away with custom spring perch setting.”
“Had a trailer made to my needs.ken was able to get it done and at a price that was very acceptable.i have bought parts there for 2 other trailers and always in stock”
“Quality work. Staff is polite. Great job welding a project for me. Didn't even want to charge me, so I bought them a case of Corona. They were ecstatic. I ever need a welding or like that R&P Carriages is #1 !!!!!”
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