---
product_id: 446737988
title: "Flex-Hone Brush Research - GB418180AO GB Standard Duty Flex Hone for Block Cylinders, Aluminum Oxide, 4-1/8\" Diameter, 180 Grit (Pack of 1)"
brand: "flex-hone"
price: "€ 179.13"
currency: EUR
in_stock: true
reviews_count: 3
url: https://www.desertcart.ie/products/446737988-flex-hone-brush-research-gb418180ao-gb-standard-duty-flex-hone
store_origin: IE
region: Ireland
---

# Self-centering design 180 grit precision Made in USA Flex-Hone Brush Research - GB418180AO GB Standard Duty Flex Hone for Block Cylinders, Aluminum Oxide, 4-1/8" Diameter, 180 Grit (Pack of 1)

**Brand:** flex-hone
**Price:** € 179.13
**Availability:** ✅ In Stock

## Summary

> 🔩 Hone Your Skills with Precision!

## Quick Answers

- **What is this?** Flex-Hone Brush Research - GB418180AO GB Standard Duty Flex Hone for Block Cylinders, Aluminum Oxide, 4-1/8" Diameter, 180 Grit (Pack of 1) by flex-hone
- **How much does it cost?** € 179.13 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/446737988-flex-hone-brush-research-gb418180ao-gb-standard-duty-flex-hone)

## Best For

- flex-hone enthusiasts

## Why This Product

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

## Key Features

- • **Material Mastery:** Perfect for aluminum, brass, and softer non-ferrous materials.
- • **Versatile Finishing:** Achieve specific tolerances with a variety of grits.
- • **Effortless Alignment:** Self-centering and self-aligning for seamless use.
- • **Unmatched Durability:** Crafted in the USA for long-lasting performance.
- • **Dual Action Efficiency:** Finish and deburr in one go, saving time.

## Overview

The Flex-Hone Brush Research GB418180AO is a high-quality, 4-1/8" diameter brush designed for effective finishing and deburring of block cylinders. With a 180 grit aluminum oxide abrasive, it excels on softer non-ferrous materials, ensuring a beautiful crosshatch finish while being self-centering and easy to use. Proudly made in the USA, this tool is a must-have for any machinist looking to enhance their workflow.

## Description

Flex-Hone Brush Research - GB418180AO GB Standard Duty Flex Hone for Block Cylinders, Aluminum Oxide, 4-1/8" Diameter, 180 Grit (Pack of 1)

## Features

- [QUALITY]- Proudly made in the USA. The FLEX-HONE is long lasting, lowering total cost of use compared to other brush options.
- [DESIGN]- The FLEX-HONE is manufactured to be self-centering, self-aligning and self-compensating for wear for easy use.
- [FINISHING BENEFITS]- Offered in a wide variety of grits and abrasives to allow machinists to achieve specific finishing tolerances as well as a beautiful crosshatch finish.
- [CROSSHOLE DEBURRING]- Ideal for finishing and deburring simultaneously in a single setup. Can be used in virtually any rotating spindle.
- [ALUMINUM OXIDE ABRASIVE]- Excellent on aluminum, brass, bronze, and softer non-ferrous materials. 240 AO is commonly used for deglazing Nikasil cylinders.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Number of pieces | 1 |
| Manufacturer | Brush Research Manufacturing |
| UPC | 843469144171 |
| Part number | GB418180AO |
| Item Weight | 600 g |
| Package Dimensions | 35.3 x 12.9 x 12.6 cm; 600 g |
| Item model number | GB418180AO |
| Size | 4-1/8 inches |
| Style | 180 GRIT |
| Item Package Quantity | 1 |
| Measurement System | Inch |
| Grit Rating | 180 |
| Included components | GB 4-1/8" (105MM) 180AO FLEX-HONE |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Flex-Hone Brush Research - GB418180AO GB Standard Duty Flex Hone for Block Cylinders, Aluminum Oxide, 4-1/8" Diameter, 180 Grit (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/61f9Ueb7-8L.jpg)
![Flex-Hone Brush Research - GB418180AO GB Standard Duty Flex Hone for Block Cylinders, Aluminum Oxide, 4-1/8" Diameter, 180 Grit (Pack of 1) - Image 2](https://m.media-amazon.com/images/I/71CvjOtCGNL.jpg)
![Flex-Hone Brush Research - GB418180AO GB Standard Duty Flex Hone for Block Cylinders, Aluminum Oxide, 4-1/8" Diameter, 180 Grit (Pack of 1) - Image 3](https://m.media-amazon.com/images/I/81b0gFI5bUL.jpg)
![Flex-Hone Brush Research - GB418180AO GB Standard Duty Flex Hone for Block Cylinders, Aluminum Oxide, 4-1/8" Diameter, 180 Grit (Pack of 1) - Image 4](https://m.media-amazon.com/images/I/71LI+vNqxIL.jpg)
![Flex-Hone Brush Research - GB418180AO GB Standard Duty Flex Hone for Block Cylinders, Aluminum Oxide, 4-1/8" Diameter, 180 Grit (Pack of 1) - Image 5](https://m.media-amazon.com/images/I/81aPGQTXemL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Awesome product
  

*by D***. on Reviewed in Canada on 6 January 2022*

Used this to remove the rust from a motorcycle engine barrel. After I was done it looked like it was freshly honed. Took about an hour to do two barrels. I highly recommend this brush. You won't be disappointed

### ⭐⭐⭐⭐ 







  
  
    Works
  

*by J***E on Reviewed in the United States on 5 April 2021*

Works as it should

### ⭐⭐⭐⭐⭐ 







  
  
    cylinder hone
  

*by P***L on Reviewed in the United States on 2 August 2020*

works great very good cross hatchs would buy again

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---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-15*