---
product_id: 708252852
title: "DEWALT DW8306 4-1/2-Inch by 7/8-Inch 36 Grit Zirconia Angle Grinder Flap Disc"
brand: "dewalt"
price: "¥6415"
currency: JPY
in_stock: true
reviews_count: 5
category: "Dewalt"
url: https://www.desertcart.jp/products/708252852-dewalt-dw8306-4-1-2-inch-by-7-8-inch
store_origin: JP
region: Japan
---

# 15x longer abrasive life 3x faster material removal Optimal 20-25° grinding angle DEWALT DW8306 4-1/2-Inch by 7/8-Inch 36 Grit Zirconia Angle Grinder Flap Disc

**Brand:** dewalt
**Price:** ¥6415
**Availability:** ✅ In Stock

## Summary

> ⚡ Grind smarter, last longer — DEWALT’s power in your hands!

## Quick Answers

- **What is this?** DEWALT DW8306 4-1/2-Inch by 7/8-Inch 36 Grit Zirconia Angle Grinder Flap Disc by dewalt
- **How much does it cost?** ¥6415 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/708252852-dewalt-dw8306-4-1-2-inch-by-7-8-inch)

## Best For

- dewalt enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Compatibility:** Fits standard 4-1/2 inch angle grinders, ideal for sharpening, grinding, and finishing tasks.
- • **Precision Grinding Angle:** Type 29 fiberglass backing ensures a perfect 20-25° angle for maximum surface contact and efficiency.
- • **Trusted DEWALT Durability:** Crafted in the USA with premium materials, built to withstand heavy-duty use without compromise.
- • **Turbocharged Zirconia Grit:** Experience 3x faster material removal to power through your toughest projects with ease.
- • **Endurance-Grade Abrasive Cloth:** Lasts up to 15x longer than standard discs, saving you time and money on replacements.

## Overview

The DEWALT DW8306 4-1/2-Inch Zirconia Angle Grinder Flap Disc delivers 3x faster material removal and up to 15x longer life thanks to premium abrasive cloth and zirconia grit. Its Type 29 fiberglass backing provides an optimal 20-25° grinding angle, making it a durable, high-performance accessory compatible with standard angle grinders for professional-grade grinding and sharpening.

## Description

Zirconia grit for faster material with type 27 fiberglass backing for optimal grinding angle of 5-15 degrees, allows full use of disc. Premium abrasive cloth for longer life.

Review: Good price and High Quality - I used this along with an angle grinder to sharpen my lawn mower blades. It did a great job and I did not notice any damage to the disc after the job was done. I anticipate being able to reuse this disc for many more blade sharpenings. It was able to successfully sharpen the blade and I knew it was working from all the sparks that were generated at the time. I think this is a great value.
Review: Buena marca, buen producto - Cumple perfecto

## Features

- Zirconia grit enables 3x faster material removal than fiber resin metal sanding discs
- Premium abrasive cloth provides up to 15 x longer life than fiber resin metal sanding discs
- Type 29 fiberglass backing provides grinding angle of 20-25 degrees

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000BQN6U4 |
| Brand | DEWALT |
| Brand Name | DEWALT |
| Compatible Devices | Angle Grinder |
| Construction Type | Grinding |
| Country of Origin | USA |
| Customer Reviews | 4.8 out of 5 stars 1,272 Reviews |
| Global Trade Identification Number | 00028877310435 |
| Grit Material | Zirconia |
| Grit Material Type | Zirconia |
| Grit Number | 40 |
| Grit Type | Coarse |
| Industry Standard Identifier | Type 29 |
| Item Diameter | 4.5 Inches |
| Item Dimensions | 11.4 x 11.4 x 2.3 Centimeters |
| Item Dimensions L x W | 11.4L x 11.4W Centimeters |
| Item Thickness | 0.9 Inches |
| Item Type Name | 4-1/2 X 7/8 40G T29 HP FLAP |
| Item Weight | 1.6 Ounces |
| Manufacturer | DEWALT |
| Material Type | Blend |
| Model Number | DW8306 |
| Number of Items | 1 |
| Part Number | DW8306 |
| Product Dimensions | 11.4L x 11.4W Centimeters |
| Recommended Uses For Product | Grinding |
| UPC | 028877310435 |
| Unit Count | 1.0 Count |
| Whats in the box? | 4-1/2 X 7/8 40G T29 HP FLAP |

## Product Details

- **Grit Material:** Zirconia
- **Product Dimensions:** 11.4L x 11.4W Centimeters
- **Brand:** DEWALT
- **Compatible Devices:** Angle Grinder
- **Item Thickness:** 0.88 Inches

## Images

![DEWALT DW8306 4-1/2-Inch by 7/8-Inch 36 Grit Zirconia Angle Grinder Flap Disc - Image 1](https://m.media-amazon.com/images/I/712ieNKHy2L.jpg)
![DEWALT DW8306 4-1/2-Inch by 7/8-Inch 36 Grit Zirconia Angle Grinder Flap Disc - Image 2](https://m.media-amazon.com/images/I/91GjqOCLGpL.jpg)
![DEWALT DW8306 4-1/2-Inch by 7/8-Inch 36 Grit Zirconia Angle Grinder Flap Disc - Image 3](https://m.media-amazon.com/images/I/710QBZ3CUFL.jpg)
![DEWALT DW8306 4-1/2-Inch by 7/8-Inch 36 Grit Zirconia Angle Grinder Flap Disc - Image 4](https://m.media-amazon.com/images/I/71pMoBj96YL.jpg)

## Available Options

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

## Questions & Answers

**Q: is it 4-1/2 x 1/4 x 7/8?  I notice it is only described as 4-1/2 x 7/8.  Pls help.  Tks**
A: Yes. 41/2 diameter x 1/4" thick with a 7/8" hole ( bore)

**Q: Is there an adapter to use on a 5/8 inch grinder**
A: should use same arbor back flange and securing nut as an ordinary grinding wheel without threaded arbor, usually comes with grinder

**Q: I want to shave a door down about 3/8 inch.  Would this work for the job?**
A: mostly, this is used for grinding metals. To cut 3/8" wood, you need a saw not a grinder.
Thanks

**Q: OK for glazed tile?**
A: I think it you used it with a variable speed grinder at the slowest speed it would work for cleaning up the edges. For glass I just use a random orbital electric sander with 100 grit, since glaze is essentially glass, I would use caution on a rough grit.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good price and High Quality
*by D***D on 27 May 2024*

I used this along with an angle grinder to sharpen my lawn mower blades. It did a great job and I did not notice any damage to the disc after the job was done. I anticipate being able to reuse this disc for many more blade sharpenings. It was able to successfully sharpen the blade and I knew it was working from all the sparks that were generated at the time. I think this is a great value.

### ⭐⭐⭐⭐⭐ Buena marca, buen producto
*by E***Z on 20 December 2025*

Cumple perfecto

### ⭐⭐⭐⭐⭐ Turns Rusty Metal Into Showroom Shine
*by M***T on 4 August 2025*

This flap disc is the real deal. DEWALT slapped some zirconia grit on a wheel and basically handed you a surface-smoothing weapon of mass reduction. Whether you’re cleaning up welds, smoothing edges, or shaving down that "oops" cut you swore was straight—this thing handles it like a champ. Durability? Let’s just say it outlasted my attention span and my playlist. It cuts smooth, runs cool, and doesn’t shred itself to pieces halfway through a job like those bargain-bin brands. Put it on your grinder and let it work its magic. You’ll be turning rough steel into buttered toast in no time.

## Frequently Bought Together

- DEWALT Flap Disc, Zirconia, 4-1/2-Inch x 7/8-Inch, 80-Grit (DW8309)
- DEWALT 4-1/2 Inch Cut-Off Wheel, Angle Grinder Cutting Disc, General Purpose, 5-Pack (DW8062B5)
- DEWALT Diamond Blade for Masonry, Dry Cutting, Continuous Rim, 7/8-Inch Arbor, 4-1/2-Inch (DW4725)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-07*