---
title: "Steel J-Bolt Welded Barrel Hinge"
description: "Steel J-Bolt Welded Barrel Hinge — U-Bolts & J-Bolts. Material: Q235 Steel. MOQ 100 pieces, US$6.60. Quote & shipping by Engineering Hardware & Fasteners."
url: https://engineeringhardware.com/product/steel-j-bolt-welded-barrel-hinge/
source: Engineering Hardware & Fasteners
---

# Steel J-Bolt Welded Barrel Hinge

[![Steel J-Bolt Welded Barrel Hinge](https://img.engineeringhardware.com/Steel-J-Bolt-Welded-Barrel-Hinge.webp)](https://img.engineeringhardware.com/Steel-J-Bolt-Welded-Barrel-Hinge.webp)

- Standard & made-to-drawing parts
- Checked before shipping
- Air, sea & express delivery

[Bolts › U-Bolts & J-Bolts](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/)

Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/steel-j-bolt-welded-barrel-hinge.md)

Model no. **JL34B**

US$6.60 / piece

MOQ 100 pieces · Final price confirmed in your quote

- **Material:** Q235 Steel
- **Color:** Black
- **Need a customized product:** Please contact the customer service and we will give you a quotation.

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Steel%20J-Bolt%20Welded%20Barrel%20Hinge%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fsteel-j-bolt-welded-barrel-hinge%2F)

Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

## Specifications

| Customization | Available |
| --- | --- |
| After-sales Service | Online/Email/Wechat/Whatsapp |
| Warranty | One Year |
| Model NO. | JL34B |
| Type | 360° Hinge |
| Material | Q235 Steel |
| Weight | 1.45kg |
| Compatible Brand | Gatexpert |
| Style | Automatic |
| Color | Black |
| Transport Package | Box |
| Specification | Q235 Steel |
| Origin | China |
| The product is in stock | Please make an order directly on this page. |
| The product is out of stock | Please contact the customer service for the product stock information. |
| Need a customized product | Please contact the customer service and we will give you a quotation. |
| Category | [U-Bolts & J-Bolts](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) |

## Description

Steel J-Bolt Welded Barrel Hinge is part of our u-bolts & j-bolts range (Bolts).

### Key details

- **Type:** 360° Hinge
- **Material:** Q235 Steel
- **Warranty:** One Year
- **Weight:** 1.45kg
- **Compatible Brand:** Gatexpert
- **Style:** Automatic
- **Color:** Black
- **The product is in stock:** Please make an order directly on this page.

Available configurations include material, color and need a customized product. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

### Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$6.60 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

## Frequently asked questions

### What is the minimum order quantity (MOQ) for Steel J-Bolt Welded Barrel Hinge?

The listed minimum order is 100 pieces, at US$6.60 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

### What are the main specifications of Steel J-Bolt Welded Barrel Hinge?

Type: 360° Hinge; Material: Q235 Steel; Warranty: One Year; Weight: 1.45kg; Compatible Brand: Gatexpert; Style: Automatic. The full specification table and any technical parameter tables are listed on this page.

### Can this product be customized (OEM)?

Listed configurations include material, color and need a customized product. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

### What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

### Which other u-bolts & j-bolts are available?

The U-Bolts & J-Bolts category lists 2,391 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/)

How we work

## Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

- DIN, ISO, ASTM, ANSI, JIS and GB standard parts
- Non-standard parts made to your drawing
- Dimensions, thread gauges and plating checked before packing
- Export cartons and pallets, consolidated mixed orders
- Samples available for approval before mass production

[![Production floor](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor-1024x683.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor.webp)

Production floor

[![Inspection bench](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench.webp)

Inspection bench

[![Sorting & packing](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing.webp)

Sorting & packing

[![Parts warehouse](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse.webp)

Parts warehouse

[![Sample review](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review.webp)

Sample review

[![Sales office](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office.webp)

Sales office

[More about us →](https://engineeringhardware.com/about/) · [Request a sample or custom quote →](https://engineeringhardware.com/contact/)

## Request a quote for this product

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