---
product_id: 186503293
title: "Rough Country 1/2\" Round Suspension U-Bolts | 1/2 x 3 x 8-7639 Black"
brand: "rough country"
price: "¥20749"
currency: JPY
in_stock: true
category: "Rough Country"
url: https://www.desertcart.jp/products/186503293-rough-country-1-2-round-suspension-u-bolts-1-2
store_origin: JP
region: Japan
---

# Quick 2-3 Hour Installation Grade A Alloy Steel Strength E-Coated Corrosion Resistance Rough Country 1/2" Round Suspension U-Bolts | 1/2 x 3 x 8-7639 Black

**Brand:** rough country
**Price:** ¥20749
**Availability:** ✅ In Stock

## Summary

> 🛠️ Tough, sleek, and built to last—upgrade your suspension game today!

## Quick Answers

- **What is this?** Rough Country 1/2" Round Suspension U-Bolts | 1/2 x 3 x 8-7639 Black by rough country
- **How much does it cost?** ¥20749 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/186503293-rough-country-1-2-round-suspension-u-bolts-1-2)

## Best For

- rough country enthusiasts

## Why This Product

- Trusted rough country brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rust? Not Here:** E-coated black finish ensures long-lasting corrosion resistance, keeping your ride looking sharp.
- • **Built to Endure:** Heavy-duty 1/2" round U-bolts crafted from premium alloy steel for unmatched suspension strength.
- • **Confidence Backed:** Limited Lifetime Replacement Warranty means you’re covered for the long haul—no compromises.
- • **Upgrade in a Snap:** Set of 4 bolts designed for easy installation—get back on the road faster with minimal downtime.
- • **Perfect Fit, Every Time:** Precisely sized 1/2" x 3" x 8" dimensions for seamless replacement or custom suspension upgrades.

## Overview

Rough Country’s 1/2" Round Suspension U-Bolts deliver heavy-duty strength with Grade A alloy steel construction and a corrosion-resistant e-coated black finish. Sized at 1/2" thread diameter, 3" width, and 8" length, this set of 4 bolts offers a perfect fit for suspension replacements or custom setups. Designed for quick installation and backed by a Limited Lifetime Replacement Warranty, these U-bolts combine durability and reliability for professional-grade vehicle suspension upgrades.

## Description

Replace your worn out U-bolts with Rough Country's durable U-Bolt kits! Our steel U-Bolt kits are offered in a variety of sizes and styles to suit any replacement or custom fitting. All bolts are e-coated black, making them corrosion resistant and ready to withstand the elements.

## Features

- Heavy-Duty: Replace worn suspension U-bolts with durable, steel construction designed for strength and reliability.
- Corrosion Resistant: E-coated black finish protects against rust and the elements for long-lasting performance.
- Perfect Fit: Available in the ideal size for suspension, custom fittings or replacements. Specifications: Round style, thread size 1/2", 3" width x 8" length.
- Easy Installation: Sold as a set of 4 U-bolts for quick and easy upgrades. Typical install time is 2-3 hours.
- Lifetime Protection: Backed by Rough Country's Limited Lifetime Replacement Warranty for trusted quality.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07PWJ71XY |
| Best Sellers Rank | #52,160 in Automotive ( See Top 100 in Automotive ) #16 in Automotive Replacement Axle U-Bolt Kits |
| Brand | Rough Country |
| Color | Black |
| Compatible Groove Diameter | 0.5 inches |
| Customer Reviews | 4.5 4.5 out of 5 stars (146) |
| Exterior Finish | Painted |
| Fastener Size | 1/2-inch |
| Fastener Type | U-Bolt |
| Finish Types | E-coated Black |
| Global Trade Identification Number | 00843030114657 |
| Grade Rating | Grade A |
| Head Type | Round |
| Included Components | (4) 1/2-inch round u-bolts Hardware |
| Item Diameter | 0.5 inches |
| Item Dimensions | 8.5 x 4 x 0.5 inches |
| Item Hardness | Grade A |
| Item Type Name | Rough Country 1/2" Round Suspension U-Bolts | 1/2 x 3 x 8 - 7639 |
| Item Weight | 4.2 pounds |
| Manufacturer | Rough Country |
| Manufacturer Grade | Grade 2 |
| Material Type | Alloy Steel |
| Maximum Shear Strength | 400-500 MPa (58,000-72,500 psi) |
| Metal Type | Alloy Steel |
| Model | 7639 |
| Number Of Items | 4 |
| Number of Pieces | 4 |
| Outside Diameter | 0.5 inches |
| Part Number | 7639 |
| Screw Head Style | Round |
| Screw Point Style | Round |
| Set Name | Rough Country U-Bolt Set (4 Piece) |
| Size Name | 8" x 3" |
| Thread Coverage | Partially Threaded |
| Thread Size | 1/2-inch |
| Thread Style | Right Hand |
| Thread Type | Unc |
| UPC | 843030114657 |
| Unit Count | 1 Count |
| Warranty Description | Limited |

## Product Details

- **Exterior Finish:** Painted
- **Head Style:** Round
- **Manufacturer Grade:** Grade 2
- **Material:** Alloy Steel
- **Thread Size:** 1/2-inch

## Images

![Rough Country 1/2" Round Suspension U-Bolts | 1/2 x 3 x 8-7639 Black - Image 1](https://m.media-amazon.com/images/I/61zUIQopBGL.jpg)

## Frequently Bought Together

- Rough Country 1/2" Round Suspension U-Bolts | 1/2 x 3 x 8-7639 Black
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**Shop now:** [https://www.desertcart.jp/products/186503293-rough-country-1-2-round-suspension-u-bolts-1-2](https://www.desertcart.jp/products/186503293-rough-country-1-2-round-suspension-u-bolts-1-2)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-22*