---
product_id: 239862869
title: "Broco M8 66 Long Rod Nut Hex Coupling, 2pcs Carbon Steel Hexagonal Sleeve Nut Standoff Threaded Fasteners"
brand: "broco"
price: "AR$30703"
currency: ARS
in_stock: true
reviews_count: 8
category: "Broco"
url: https://www.desertcart.com.ar/products/239862869-broco-m8-66-long-rod-nut-hex-coupling-2pcs-carbon
store_origin: AR
region: Argentina
---

# M8 x 66mm precision threading Hexagonal design for secure grip Zinc-plated carbon steel corrosion resistance Broco M8 66 Long Rod Nut Hex Coupling, 2pcs Carbon Steel Hexagonal Sleeve Nut Standoff Threaded Fasteners

**Brand:** broco
**Price:** AR$30703
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in strength and style with Broco M8 Hex Coupling Nuts – because your projects deserve the best!

## Quick Answers

- **What is this?** Broco M8 66 Long Rod Nut Hex Coupling, 2pcs Carbon Steel Hexagonal Sleeve Nut Standoff Threaded Fasteners by broco
- **How much does it cost?** AR$30703 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/239862869-broco-m8-66-long-rod-nut-hex-coupling-2pcs-carbon)

## Best For

- broco enthusiasts

## Why This Product

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

## Key Features

- • **Customer-Centric Support:** Dedicated service ensures your satisfaction with quick, expert assistance whenever needed.
- • **Ergonomic Hexagonal Profile:** Smooth, even surface and anti-slip design for effortless installation and superior grip.
- • **Precision M8 x 66mm Threading:** Engineered for seamless fit on 51mm exhaust pipes, ensuring reliable fastening every time.
- • **Durable Zinc-Plated Carbon Steel:** Robust material with corrosion-resistant coating built to withstand industrial and construction demands.
- • **Versatile Industrial Application:** Perfect for home appliances, communication gear, ship assembly, and more—connect with confidence.

## Overview

The Broco M8 66 Long Rod Nut Hex Coupling is a set of two zinc-plated carbon steel hexagonal sleeve nuts designed for 51mm exhaust pipe applications. Featuring precision M8 x 66mm threading and a smooth, anti-slip hex design, these durable fasteners offer excellent corrosion resistance and reliable performance across industrial, construction, and machinery uses.

## Description

Features:Material: These hexagonal nuts are made of zinc-plated carbon steel, which provides strength. The zinc coating offers good corrosion resistance. In addition, they will be an excellent replacement for industrial and construction fastenersDesign Features: The hex nut adopts the standard hexagonal design, the thread is smooth, beautiful and practical; the surface is smooth and even, and the fixing effect is better; It is not easy to slide when rotating and it is easy to install. Hot tips: This product only applies to 51mm exhaust pipes and can be inserted directly into the air intakeWidely Used: Rod fastening hexs are widely used in home and office appliances, communication equipment, ship assembly and other machinery industriesFunctions: Threaded rod fittings are used to screw bolts, studs or metal screws for the purpose of fixing two parts together to make one partPerfect service: every customer has a satisfying shopping experience is our goal. If you have any questions about our products, do not hesitate to contact us, we will answer you quicklySpecification:Condition: 100% Brand NewProduct material: carbon steelSurface treatment: galvanizedQuantity: 2pcsType: M8 * 66Applicable to: 51mm dedicatedThread pitch: M8*1.25*66Warm Tips:This product is only suitable for a 51mm exhaust pipe, which can be inserted directly into the air intake.Package list:2 * Standoffllow the wrap to set.

Review: yep .. worked - did what i needed them for
Review: As advertised - Product specifications as published. Satisfactory item.

## Features

- Material: These hexagonal nuts are made of zinc-plated carbon steel, which provides strength. The zinc coating offers good corrosion resistance. In addition, they will be an excellent replacement for industrial and construction fasteners
- Design Features: The Hex Coupling Nuts adopts the standard hexagonal design, the thread is smooth, beautiful and practical; the surface is smooth and even, and the fixing effect is better; It is not easy to slide when rotating and it is easy to install. Hot tips: This product only applies to 51mm exhaust pipes and can be inserted directly into the air intake
- Widely Used: Nut Studding Connector Fasteners are widely used in home and office appliances, communication equipment, ship assembly and other machinery industries
- Functions: Threaded rod fittings are used to screw bolts, studs or metal screws for the purpose of fixing two parts together to make one part
- Perfect service: every customer has a satisfying shopping experience is our goal. If you have any questions about our products, do not hesitate to contact us, we will answer you quickly

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0814RYB8P |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 77,691 in DIY & Tools ( See Top 100 in DIY & Tools ) 90 in Hex & Machine Screw Nuts |
| Colour | Silver |
| Customer Reviews | 4.5 4.5 out of 5 stars (29) |
| Cutting Diameter | 8 Millimetres |
| Date First Available | 7 Nov. 2019 |
| Finish | Finish |
| Head Style | Hex |
| Included components | inc |
| Installation method | InstallationMethod |
| Item Package Quantity | 1 |
| Item Weight | 70 g |
| Item diameter | 8 Millimetres |
| Manufacturer | Broco |
| Manufacturer reference | Brocopiqz5cgx70 |
| Material | Zinc-plated Carbon Steel |
| Number of Pieces | 2 |
| Part number | Brocopiqz5cgx70 |
| Power source type | PowerSource |
| Shape | Hexagonal |
| Size | M8 |
| Spout height | 1 Centimetres |

## Product Details

- **Brand:** Broco
- **Colour:** Silver
- **Exterior finish:** Carbon Steel,Zinc
- **Fastener type:** Coupling
- **Finish type:** Finish
- **Item dimensions L x W x H:** 7 x 3 x 1.5 centimetres
- **Material:** Zinc-plated Carbon Steel
- **Metal type:** Carbon Steel
- **Thread size:** M 8
- **Thread type:** metric

## Images

![Broco M8 66 Long Rod Nut Hex Coupling, 2pcs Carbon Steel Hexagonal Sleeve Nut Standoff Threaded Fasteners - Image 1](https://m.media-amazon.com/images/I/31LQkW84DaL.jpg)
![Broco M8 66 Long Rod Nut Hex Coupling, 2pcs Carbon Steel Hexagonal Sleeve Nut Standoff Threaded Fasteners - Image 2](https://m.media-amazon.com/images/I/41NjNoMA-XL.jpg)
![Broco M8 66 Long Rod Nut Hex Coupling, 2pcs Carbon Steel Hexagonal Sleeve Nut Standoff Threaded Fasteners - Image 3](https://m.media-amazon.com/images/I/41YMF1c86lL.jpg)
![Broco M8 66 Long Rod Nut Hex Coupling, 2pcs Carbon Steel Hexagonal Sleeve Nut Standoff Threaded Fasteners - Image 4](https://m.media-amazon.com/images/I/41m2gJl22KL.jpg)
![Broco M8 66 Long Rod Nut Hex Coupling, 2pcs Carbon Steel Hexagonal Sleeve Nut Standoff Threaded Fasteners - Image 5](https://m.media-amazon.com/images/I/41nDcjGGTbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ yep .. worked
*by A***E on 5 October 2025*

did what i needed them for

### ⭐⭐⭐⭐⭐ As advertised
*by P***S on 13 January 2025*

Product specifications as published. Satisfactory item.

### ⭐⭐⭐⭐⭐ Long nuts
*by J***O on 26 August 2024*

Required them to make an expansion tool Works perfectly made it in 10 minutes job completed in 30 mins.Recommend these as tools to anyone Jacko

## Frequently Bought Together

- Broco M8 66 Long Rod Nut Hex Coupling, 2pcs Carbon Steel Hexagonal Sleeve Nut Standoff Threaded Fasteners
- sourcing map 2Pcs M8 x 250mm Fully Threaded Rod 304 Stainless Steel Right Hand Threads

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-20*