---
product_id: 511841065
title: "SINJEUN 3 Pair 5 Inches Gate Hinge, Heavy Duty Barrel Gate Hinge, Weld On Barrel Style Ball Bearing Door Hinge for Swing Gates, Trailer Ramp Gates, 450lbs Capacity"
brand: "sinjeun"
price: "$305"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/511841065-sinjeun-3-pair-5-inches-gate-hinge-heavy-duty-barrel
store_origin: NZ
region: New Zealand
---

# Weld-on flat base Built-in ball bearings 450 lbs load capacity SINJEUN 3 Pair 5 Inches Gate Hinge, Heavy Duty Barrel Gate Hinge, Weld On Barrel Style Ball Bearing Door Hinge for Swing Gates, Trailer Ramp Gates, 450lbs Capacity

**Brand:** sinjeun
**Price:** $305
**Availability:** ✅ In Stock

## Summary

> 🛡️ Heavy-Duty Hinges That Hold Your World Together

## Quick Answers

- **What is this?** SINJEUN 3 Pair 5 Inches Gate Hinge, Heavy Duty Barrel Gate Hinge, Weld On Barrel Style Ball Bearing Door Hinge for Swing Gates, Trailer Ramp Gates, 450lbs Capacity by sinjeun
- **How much does it cost?** $305 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/511841065-sinjeun-3-pair-5-inches-gate-hinge-heavy-duty-barrel)

## Best For

- sinjeun enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Swing:** Integrated ball bearings deliver ultra-smooth, silent door operation every time.
- • **Effortless Welding:** Flat, smooth mounting base designed for quick, secure weld-on installation.
- • **Unmatched Strength:** Supports up to 450 lbs per hinge pair for heavy-duty gates and ramps.
- • **Confidence Guaranteed:** Backed by a 30-day money-back promise and responsive customer support.
- • **Modern Industrial Style:** Sleek black finish complements contemporary home and security gate aesthetics.

## Overview

SINJEUN’s 3-pair 5-inch barrel gate hinges are crafted from solid iron with a durable black finish, engineered to support up to 450 pounds per pair. Featuring built-in ball bearings for smooth, silent swinging, these weld-on hinges ensure secure, sag-free operation for gates, trailer ramps, and security doors. Designed for easy installation and modern style, they come with a 30-day satisfaction guarantee.

## Description

SINJEUN 3 Pair 5 Inches Gate Hinge, Heavy Duty Barrel Gate Hinge, Weld On Barrel Style Ball Bearing Door Hinge for Swing Gates, Trailer Ramp Gates, 450lbs Capacity

## Features

- HEAVY-DUTY STRUCTURE - These heavy duty barrel gate hinges are made of heavy-duty metal iron, the texture is solid, the structure is firm and not easy to deform. They are strong enough to support many heavy-duty doors.
- STRONG LOAD-BEARING CAPACITY - You will get 6 pieces/3 pairs of barrel door hinges, and each pair of hinges can bear up to 450 pounds when used in pairs. Built-in heavy-duty ball bearings ensure smooth and silent operation.
- WELDING INSTALLATION - With a flat and smooth bottom, you can easily weld these heavy duty gate hinges to many planes. It is recommended to remove the black coating on the mounting plate before welding.
- WELL FUNCTIONED - They conform to modern home decoration, match your door very easily, and prevent the door from sagging. The weld on barrel hinges are suitable for swinging doors, trailer ramps, driveways or security doors.
- BUY WITH CONFIDENCE - We stand by the quality of our products and provide super-friendly customer service. For whatever reason you're not happy with the trailer ramp hinge, just email us and let us know! We promise a 30-day money-back guarantee.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Iron |
| Brand | SINJEUN |
| Product Dimensions | 4.72"L x 1"W |
| Finish Type | Black |
| Mounting Type | Door Mount |
| Hole Count | 2 |
| Weight Limit | 450 Pounds |
| Unit Count | 3.0 Count |
| Manufacturer | SINJEUN |
| UPC | 752496671379 |
| Item Weight | 6.78 pounds |
| Style | Modern |
| Finish | Black |
| Item Package Quantity | 6 |
| Number Of Pieces | 6 |
| Maximum Weight Capacity | 450 Pounds |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Iron
- **Brand:** SINJEUN
- **Product Dimensions:** 4.72"L x 1"W
- **Finish Type:** Black
- **Mounting Type:** Door Mount
- **Hole Count:** 2
- **Weight Limit:** 450 Pounds
- **Unit Count:** 3.0 Count
- **Manufacturer:** SINJEUN
- **UPC:** 752496671379

## Images

![SINJEUN 3 Pair 5 Inches Gate Hinge, Heavy Duty Barrel Gate Hinge, Weld On Barrel Style Ball Bearing Door Hinge for Swing Gates, Trailer Ramp Gates, 450lbs Capacity - Image 1](https://m.media-amazon.com/images/I/61M8Q8ZjSpL.jpg)

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**Shop now:** [https://www.desertcart.nz/products/511841065-sinjeun-3-pair-5-inches-gate-hinge-heavy-duty-barrel](https://www.desertcart.nz/products/511841065-sinjeun-3-pair-5-inches-gate-hinge-heavy-duty-barrel)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-05*