---
product_id: 432063737
title: "Brush Research GB312180AO FLEX-HONE®, 3-1/2\" (89mm) Diameter, 180 Grit, Aluminum Oxide, For Aluminum, Brass, Bronze and Softer Non-Ferrous Materials"
brand: "brush research"
price: "€ 109.80"
currency: EUR
in_stock: true
reviews_count: 9
url: https://www.desertcart.nl/products/432063737-brush-research-gb312180ao-flex-hone-3-1-2-89mm-diameter
store_origin: NL
region: Netherlands
---

# Achieve beautiful finishes Self-centering design Made in USA Brush Research GB312180AO FLEX-HONE®, 3-1/2" (89mm) Diameter, 180 Grit, Aluminum Oxide, For Aluminum, Brass, Bronze and Softer Non-Ferrous Materials

**Brand:** brush research
**Price:** € 109.80
**Availability:** ✅ In Stock

## Summary

> 🔩 Hone Your Skills with Precision!

## Quick Answers

- **What is this?** Brush Research GB312180AO FLEX-HONE®, 3-1/2" (89mm) Diameter, 180 Grit, Aluminum Oxide, For Aluminum, Brass, Bronze and Softer Non-Ferrous Materials by brush research
- **How much does it cost?** € 109.80 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/432063737-brush-research-gb312180ao-flex-hone-3-1-2-89mm-diameter)

## Best For

- brush research enthusiasts

## Why This Product

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

## Key Features

- • **Dual Functionality:** Finish and deburr in one go, saving you time and effort.
- • **Effortless Precision:** Self-centering and self-aligning for easy use and consistent results.
- • **Quality You Can Trust:** Proudly made in the USA for superior craftsmanship.
- • **Versatile Grit Options:** Available in various grits to meet your specific finishing needs.
- • **Universal Compatibility:** Works seamlessly with virtually any rotating spindle.

## Overview

The Brush Research GB Standard Duty Flex Hone is a high-quality finishing tool designed for block cylinders. With a 3-1/2" diameter and 180 grit, this hone is made in the USA and features a self-centering design for easy use. It allows machinists to achieve specific finishing tolerances and a stunning crosshatch finish while deburring simultaneously, making it a versatile addition to any workshop.

## Description

Brush Research GB312180AO FLEX-HONE®, 3-1/2" (89mm) Diameter, 180 Grit, Aluminum Oxide, For Aluminum, Brass, Bronze and Softer Non-Ferrous Materials

## Features

- Make sure this fits by entering your model number.
- [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.

## Images

![Brush Research GB312180AO FLEX-HONE®, 3-1/2" (89mm) Diameter, 180 Grit, Aluminum Oxide, For Aluminum, Brass, Bronze and Softer Non-Ferrous Materials - Image 1](https://m.media-amazon.com/images/I/61f9Ueb7-8L.jpg)
![Brush Research GB312180AO FLEX-HONE®, 3-1/2" (89mm) Diameter, 180 Grit, Aluminum Oxide, For Aluminum, Brass, Bronze and Softer Non-Ferrous Materials - Image 2](https://m.media-amazon.com/images/I/81b0gFI5bUL.jpg)
![Brush Research GB312180AO FLEX-HONE®, 3-1/2" (89mm) Diameter, 180 Grit, Aluminum Oxide, For Aluminum, Brass, Bronze and Softer Non-Ferrous Materials - Image 3](https://m.media-amazon.com/images/I/71LI+vNqxIL.jpg)
![Brush Research GB312180AO FLEX-HONE®, 3-1/2" (89mm) Diameter, 180 Grit, Aluminum Oxide, For Aluminum, Brass, Bronze and Softer Non-Ferrous Materials - Image 4](https://m.media-amazon.com/images/I/81aPGQTXemL.jpg)
![Brush Research GB312180AO FLEX-HONE®, 3-1/2" (89mm) Diameter, 180 Grit, Aluminum Oxide, For Aluminum, Brass, Bronze and Softer Non-Ferrous Materials - Image 5](https://m.media-amazon.com/images/I/81X4pgWlJtL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐ 







  
  
    Works
  

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

Works as it should

### ⭐⭐⭐⭐⭐ 







  
  
    Great Hone
  

*by J***S on Reviewed in the United States on March 11, 2020*

Worked like a charm on my Harley 95" cylinders. Only downside is I probably won't ever use it again, but it was what I needed and it performed as needed.

### ⭐⭐⭐⭐⭐ 







  
  
    cylinder hone
  

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

works great very good cross hatchs would buy again

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---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-17*