At a Glance
- SKU: UBK-2000-SQ-725
PRODUCT INFORMATION
Product Details
7K Trailer Axle U-Bolt Kit – 1/2"-13 Square Bolts – 7.25" Length – Fits 2" x 3" Axles
Part Number: UBK-2000-SQ-725
Shipping calculated at checkout.
Heavy-duty square U-bolt kit with 7.25" leg length for 2" x 3" trailer axles. Designed for lift blocks, overslung setups, and thicker spring packs requiring extended thread engagement.
R&P Knowledge Hub
U-bolts are measured by inside width, leg length, and thread size. A 2.125" inside width fits standard 2" x 3" trailer axles with proper clearance.
Longer 7.25" legs provide additional clamping range for lift blocks or stacked springs. Always ensure full thread engagement and re-torque after initial use.
Features
- High-strength steel construction with corrosion-resistant finish
- 2.125" inside width sized for 2" x 3" axle tubes
- Extended 7.25" leg length for lift kits and thicker spring stacks
- 1/2"-13 coarse thread for standard trailer suspension hardware
Specifications
| Specification | Detail |
| Type | Square U-Bolt Kit |
| Thread Size | 1/2"-13 |
| Inside Width | 2.125" |
| Leg Length | 7.25" |
| Axle Fitment | 2" x 3" trailer axles (7K typical) |
| Application | Leaf spring to axle mounting |
Verify specifications before installation.
Included Components
| Quantity | Item |
| 4 | Square U-Bolts |
| 8 | Hex Nuts |
Shipping: Calculated at checkout.
Related Parts & Kits
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Found the correct RV keys at a good price with free shipping; the keys worked as expected.
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Needed an unusual axle and leaf-spring size; the team listened and helped him sort out the fit.
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Praised the OEM and aftermarket selection, discounts, quick shipping, and friendly parts staff.
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Got the axle he needed right away, set up with a custom spring perch.
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