UBOLT-5X9.5 · Round U-Bolt, 5" x 9.50" x 5/8-11
Fits 12K AL-KO / Rockwell 12-86 Axle Assemblies
Heavy-duty round U-bolt designed for 12,000-lb trailer axle assemblies, providing secure and balanced clamping between the axle and spring seat. Compatible with AL-KO and Rockwell 12K round axles using the 12-86 spring-seat pattern. Ideal for rebuilds, overhauls, and replacements on heavy utility, equipment, and industrial trailers.
| Specification | Detail |
|---|---|
| Manufacturer | Dexter / Rockwell / AL-KO Compatible |
| Part Number | UBOLT-5X9.5 |
| Type | Round U-Bolt |
| Inside Width | 5.00 in. |
| Inside Length | 9.50 in. |
| Thread Size | 5/8-11 |
| Material | Forged Steel — Zinc-Plated for Corrosion Resistance |
| Axle Rating | 12,000 lb |
| Finish | Raw / Zinc-Plated |
| Used On | AL-KO 12K, Rockwell 12K, and similar heavy-duty round axles (12-86 spring-seat pattern) |
Each U-bolt is precision-formed for secure axle retention and long service life. For safe, even clamping, always replace in pairs and torque evenly to manufacturer specifications. Compatible with most 12K suspension hangers and spring seats used on heavy flatbeds, dump trailers, and equipment haulers.
Sold individually. Hardware (nuts and washers) not included. Verify measurements before installation.