8K Axle U-Bolt Kit – 3-1/2" Tube – 9/16"-18 × 3.5" × 7.8"
Part Number: 11-65-KIT
U-bolt and nut kit designed for 8,000 lb trailer axles with a 3-1/2" round axle tube. This kit includes one heavy-duty U-bolt and two matching nylon-lock nuts.
R&P Knowledge Hub
U-bolts secure the axle tube to the leaf spring pack and spring seat. Correct inside width, depth, and thread size are critical to proper clamping force.
Always verify axle tube diameter, required U-bolt width, overall length, and thread size before installation.
Kit Includes
- (1) U-Bolt – Part 011-065-00
- (2) Nylon Lock Nuts – Part UBN-9C
- Designed for 3-1/2" round axle tube
- Intended for 8,000 lb axle applications
Specifications
| Specification | Detail |
| Axle Rating | 8,000 lb |
| Axle Tube Diameter | 3-1/2" Round |
| Inside Width | 3.5" |
| Overall Length | 7.8" |
| Thread Size | 9/16"-18 |
| Threaded Length | 1-7/8" |
| Nut Type | Nylon Lock Nut |
| Nut Outside Diameter | 7/8" |
Verify axle tube diameter and thread size before installation.