---
product_id: 498878688
title: "8 PCS Anti-Theft Post Attachment Kit Sign Mounting Hardware for U Channel Post, Sign Post Mounting Bolts and Nuts,2.5\" Bolt"
brand: "diyiiron"
price: "1136 DH"
currency: MAD
in_stock: false
reviews_count: 5
category: "Diyiiron"
url: https://www.desertcart.ma/products/498878688-8-pcs-anti-theft-post-attachment-kit-sign-mounting-hardware
store_origin: MA
region: Morocco
---

# Anti-theft one-way bolt Fits 3/8" U-channel & square posts Zinc-coated rust-resistant metal 8 PCS Anti-Theft Post Attachment Kit Sign Mounting Hardware for U Channel Post, Sign Post Mounting Bolts and Nuts,2.5" Bolt

**Brand:** diyiiron
**Price:** 1136 DH
**Availability:** ❌ Out of Stock

## Summary

> 🔐 Lock your signs down, lose the worry forever!

## Quick Answers

- **What is this?** 8 PCS Anti-Theft Post Attachment Kit Sign Mounting Hardware for U Channel Post, Sign Post Mounting Bolts and Nuts,2.5" Bolt by diyiiron
- **How much does it cost?** 1136 DH with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/498878688-8-pcs-anti-theft-post-attachment-kit-sign-mounting-hardware)

## Best For

- diyiiron enthusiasts

## Why This Product

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

## Key Features

- • **Complete Kit:** 8 bolts & 12 anti-theft nuts for multiple sign setups
- • **Unbreakable Security:** One-way bolts + beveled nuts lock out thieves
- • **Effortless Installation:** Dual-nut system ensures a rock-solid hold in minutes
- • **Universal Compatibility:** Perfect fit for U-channel, square & tubular posts
- • **Weatherproof Durability:** Premium zinc coating resists rust in any climate

## Overview

The DIYIIRON 8 PCS Anti-Theft Post Attachment Kit features 2.5" one-way security bolts and beveled edge nuts designed to prevent unauthorized removal. Made from zinc-coated metal, this rust-resistant kit fits 3/8" holes on U-shaped channel, square, and tubular posts. Easy to install with a unique dual-nut locking system, it offers professional-grade protection for your signage in any environment.

## Description

With this post attachment kit, you can attach your sign to U-shaped channel posts, square metal posts,and tubular post.The anti-theft design of bolts and nuts can better protect your post and channelSimple installation,just install the two nuts in turn, and then tighten them with a wrench.If you have any questions, please feel free to email us.

Review: Great set. Need to cut off end of bolt to prevent backing out by turning from thread end with wrench.
Review: Just as described and works as it should. Easy to install.

## Features

- The anti-theft post attachment kit is designed for fasten signs easily and securely,suitable for 3/8" holes U-shaped channel posts, square metal posts,and tubular post.
- 【Anti-Theft Design】The nut of the post attachment kit is a anti-theft beveled edge design, and the bolt is one-way security bolt, which can prevent removal with ordinary tools
- 【High-Quality】Made of superior metal with ZINC coated.This sign attachment kit will not rust when used in wet areas
- 【Package Includes】8 PCS 2.5" Bolts, 12 PCS Anti-Theft Nuts
- 【Installation】1.Tighten first nut by hand onto the back of the sign post. 2.Tighten the second nut, upside-down, on top of the first nut. The second nut locks with the first nut. 3.Insert a wrench in between the two nuts and tighten until secure. 4.After tightening, remove 2nd nut and save for removal or next install

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BGGDR3L7 |
| Brand | DIYIIRON |
| Color | Chrome |
| Customer Reviews | 4.5 4.5 out of 5 stars (124) |
| Date First Available | 30 November 2022 |
| Fastener Type | Bolt, Square |
| Item Weight | 322 g |
| Manufacturer | DIYIIRON |
| Manufacturer Part Number | XFS170812 |
| Material Type | Metal |
| Model number | XFS170812 |
| Product Dimensions | 7.62 x 1.27 x 1.02 cm; 322 g |
| Size | 8 PCS |

## Product Details

- **Brand:** DIYIIRON
- **Colour:** Chrome
- **Material:** Metal
- **Mounting type:** Pole Mount
- **Size:** 8 PCS

## Images

![8 PCS Anti-Theft Post Attachment Kit Sign Mounting Hardware for U Channel Post, Sign Post Mounting Bolts and Nuts,2.5" Bolt - Image 1](https://m.media-amazon.com/images/I/514LhWJvZBL.jpg)
![8 PCS Anti-Theft Post Attachment Kit Sign Mounting Hardware for U Channel Post, Sign Post Mounting Bolts and Nuts,2.5" Bolt - Image 2](https://m.media-amazon.com/images/I/51wRvhQAdrL.jpg)
![8 PCS Anti-Theft Post Attachment Kit Sign Mounting Hardware for U Channel Post, Sign Post Mounting Bolts and Nuts,2.5" Bolt - Image 3](https://m.media-amazon.com/images/I/61Od6HvlgwL.jpg)
![8 PCS Anti-Theft Post Attachment Kit Sign Mounting Hardware for U Channel Post, Sign Post Mounting Bolts and Nuts,2.5" Bolt - Image 4](https://m.media-amazon.com/images/I/61POQx53rSL.jpg)
![8 PCS Anti-Theft Post Attachment Kit Sign Mounting Hardware for U Channel Post, Sign Post Mounting Bolts and Nuts,2.5" Bolt - Image 5](https://m.media-amazon.com/images/I/61pRf2Ho1oL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***N on 18 September 2023*

Great set. Need to cut off end of bolt to prevent backing out by turning from thread end with wrench.

### ⭐⭐⭐⭐⭐ Review
*by E***5 on 29 July 2025*

Just as described and works as it should. Easy to install.

### ⭐⭐⭐⭐⭐ Review
*by E***R on 18 May 2025*

Excellent option for mounting street signs making it hard for some who might try to steal them.

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**Shop now:** [https://www.desertcart.ma/products/498878688-8-pcs-anti-theft-post-attachment-kit-sign-mounting-hardware](https://www.desertcart.ma/products/498878688-8-pcs-anti-theft-post-attachment-kit-sign-mounting-hardware)

---

*Product available on Desertcart Morocco*
*Store origin: MA*
*Last updated: 2026-02-12*