---
product_id: 100258317
title: "Benchmark Abrasives 4.5\" x 7/8\" Premium High Density Jumbo Zirconia Type 27 Flap Discs 4 1/2 for Angle Grinder, Sanding Discs, Finishing - Grinding Wheels 4 1/2 inch - (10 Pack) - 60"
brand: "benchmark abrasives"
price: "£34.72"
currency: GBP
in_stock: true
reviews_count: 8
category: "Benchmark Abrasives"
url: https://www.desertcart.co.uk/products/100258317-benchmark-abrasives-4-5-x-7-8-premium-high-density
store_origin: GB
region: United Kingdom
---

# Premium European zirconia for max durability Fits all major 4.5" angle grinders 4.5 inch diameter - perfect fit Benchmark Abrasives 4.5" x 7/8" Premium High Density Jumbo Zirconia Type 27 Flap Discs 4 1/2 for Angle Grinder, Sanding Discs, Finishing - Grinding Wheels 4 1/2 inch - (10 Pack) - 60

**Brand:** benchmark abrasives
**Price:** £34.72
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your grind game with pro-grade power and precision!

## Quick Answers

- **What is this?** Benchmark Abrasives 4.5" x 7/8" Premium High Density Jumbo Zirconia Type 27 Flap Discs 4 1/2 for Angle Grinder, Sanding Discs, Finishing - Grinding Wheels 4 1/2 inch - (10 Pack) - 60 by benchmark abrasives
- **How much does it cost?** £34.72 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/100258317-benchmark-abrasives-4-5-x-7-8-premium-high-density)

## Best For

- benchmark abrasives enthusiasts

## Why This Product

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

## Key Features

- • **Pro-Level Efficiency:** Aggressive stock removal meets smooth surface blending in one tool.
- • **Unmatched Versatility:** From rust removal to precision finishing, one disc does it all.
- • **Seamless Compatibility:** Works flawlessly with Dewalt, Milwaukee, Makita, Bosch & more.
- • **Trusted by Pros & DIYers:** Top-rated for commercial use and affordable enough for every project.
- • **Industrial-Grade Durability:** Crafted with high-density zirconia for longer life and consistent performance.

## Overview

Benchmark Abrasives 4.5" x 7/8" Premium High Density Jumbo Zirconia Type 27 Flap Discs deliver industrial-strength grinding and finishing for angle grinders. Engineered with European zirconia cloth, these 60-grit discs offer superior durability, aggressive stock removal, and smooth surface blending. Compatible with all major 4.5" angle grinders, this 10-pack is the go-to choice for professionals and DIY enthusiasts seeking reliable, long-lasting performance at an unbeatable value.

## Description

Product description Max RPM of Flap Disc Grinding Whee The Max for RPM for these flap sanding discs is 13,000 RPM Max RPM of Flap Disc Grinding Whee The Max for RPM for these flap sanding discs is 13,000 RPM Arbor of Flap Disc Grinder Wheels 7/8” with steel metal center Arbor of Flap Disc Grinder Wheels 7/8” with steel metal center Grains Proprietary blend of premium Zirconia grains Grains Proprietary blend of premium Zirconia grains Bond Abrasive grains resin bonded to X-weight cotton cloth for a smooth cutting experience with these angle grinder attachments Bond Abrasive grains resin bonded to X-weight cotton cloth for a smooth cutting experience with these angle grinder attachments Style Type 27 (Angled Face) flap disc grinding wheels 4 ½ inch size Style Type 27 (Angled Face) flap disc grinding wheels 4 ½ inch size

Review: Effective flap disc for grinding metal - I’ve purchased these before and they work well for my purposes. They are long lasting
Review: Great value for flap-discs! - I've been using these for years for various steel projects. They're quality flap discs that last quite a while. Given their price, they are substantially better than the name-brand discs you can buy at the big box stores. This is my product of choice.

## Features

- MULTIFUNCTIONAL USAGE: Benchmark Abrasives 4.5"" x 7/8"" T27 grinder wheel flap discs excel in various tasks including surface blending, beveling, grinding, deburring, edge chamfering, finishing, stock removal, and rust remover. Designed for both professionals and DIY enthusiasts, these “ 4 1/2 grinding wheels ensure efficient and precise results for every project. These angle grinder attachments are ready for any task at hand.
- PREMIUM ZIRCONIA MATERIAL: Crafted with European zirconia cloth, these grinding wheels 4 1/2 inch flap discs offer superior performance. The uniform particle size and premium blend of ingredients in the zirconia sanding discs ensure consistent and reliable abrasion. Experience enhanced durability and cutting efficiency with every use of these grinder wheels.
- INDUSTRIAL-GRADE QUALITY: Meeting rigorous industrial standards, the “ 4 1/2 flap disc is perfect for 4.5” angle grinders. This angle grinder sanding disc provides versatility, ideal for aggressive stock removal to delicate surface blending. Trust in our “ 4.5 grinding wheel for metal for professional-grade results every time.
- GRINDING DISC WITH VERSATILE APPLICATIONS & COMPATIBILITY: These flapper discs 4 1/2 for angle grinder (4.5 inches) are indispensable in numerous industries such as automotive, transportation, mining, shipbuilding, construction, welding, and fabrication. The Benchmark Abrasives angle grinder flap disc 4 1/2 inch size fits Dewalt, Milwaukee, Makita, Bosch, Metabo, Ryobi, Black & Decker, Kobalt, Craftsman, Skil, Porter Cable, Ridgid 4.5 inch angle grinders and virtually all other brands.
- UNCOMPROMISING QUALITY STANDARDS: All our grinding discs 4 1/2 for angle grinder are manufactured with top-tier materials, exceeding ANSI and EU European Standards. We are committed to delivering high-quality flap wheels 4 1/2 inch discs. Our brand thrives on trust and excellence in every flap disc for angle grinder we offer.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01N9H9KG9 |
| Best Sellers Rank | #7,907 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Flap Discs |
| Brand | Benchmark Abrasives |
| Brand Name | Benchmark Abrasives |
| Compatible Devices | Angle Grinder |
| Compatible Disc Grinder Tool Models | DEWALT DWE4559CN |
| Compatible Material | Stainless Steel |
| Construction Type | Grinding |
| Customer Reviews | 4.7 out of 5 stars 193 Reviews |
| Grit Material | Aluminum Oxide, Zirconia, Zirconia Alumina |
| Grit Material Type | Aluminum Oxide, Zirconia, Zirconia Alumina |
| Grit Number | 60 |
| Grit Type | Zirconia |
| Industry Standard Identifier | Type 27 |
| Item Diameter | 4.5 Inches |
| Item Dimensions | 4.5 x 4.5 x 0.04 inches |
| Item Dimensions L x W | 4.5"L x 4.5"W |
| Item Thickness | 0.5 Inches |
| Manufacturer | Benchmark Abrasives |
| Material Type | Zirconia Alumina |
| Model | BM-F4.5SZ60T27HD |
| Number of Items | 10 |
| Part Number | BM-F4.5SZ60T27HD |
| Product Dimensions | 4.5"L x 4.5"W |
| Recommended Uses For Product | Rust Removal |
| UPC | 653341413024 |
| Unit Count | 10.0 Count |

## Product Details

- **Brand:** Benchmark Abrasives
- **Compatible Devices:** Angle Grinder
- **Grit Material:** Aluminum Oxide, Zirconia, Zirconia Alumina
- **Grit Type:** Zirconia
- **Product Dimensions:** 4.5"L x 4.5"W

## Images

![Benchmark Abrasives 4.5" x 7/8" Premium High Density Jumbo Zirconia Type 27 Flap Discs 4 1/2 for Angle Grinder, Sanding Discs, Finishing - Grinding Wheels 4 1/2 inch - (10 Pack) - 60 - Image 1](https://m.media-amazon.com/images/I/71oJmDuMzbL.jpg)
![Benchmark Abrasives 4.5" x 7/8" Premium High Density Jumbo Zirconia Type 27 Flap Discs 4 1/2 for Angle Grinder, Sanding Discs, Finishing - Grinding Wheels 4 1/2 inch - (10 Pack) - 60 - Image 2](https://m.media-amazon.com/images/I/81chN2zIbAL.jpg)
![Benchmark Abrasives 4.5" x 7/8" Premium High Density Jumbo Zirconia Type 27 Flap Discs 4 1/2 for Angle Grinder, Sanding Discs, Finishing - Grinding Wheels 4 1/2 inch - (10 Pack) - 60 - Image 3](https://m.media-amazon.com/images/I/61jSr8mxYcL.jpg)
![Benchmark Abrasives 4.5" x 7/8" Premium High Density Jumbo Zirconia Type 27 Flap Discs 4 1/2 for Angle Grinder, Sanding Discs, Finishing - Grinding Wheels 4 1/2 inch - (10 Pack) - 60 - Image 4](https://m.media-amazon.com/images/I/717D4rXeg+L.jpg)
![Benchmark Abrasives 4.5" x 7/8" Premium High Density Jumbo Zirconia Type 27 Flap Discs 4 1/2 for Angle Grinder, Sanding Discs, Finishing - Grinding Wheels 4 1/2 inch - (10 Pack) - 60 - Image 5](https://m.media-amazon.com/images/I/41SL7i-G0zL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Effective flap disc for grinding metal
*by K***Y on March 13, 2026*

I’ve purchased these before and they work well for my purposes. They are long lasting

### ⭐⭐⭐⭐⭐ Great value for flap-discs!
*by S***N on May 30, 2024*

I've been using these for years for various steel projects. They're quality flap discs that last quite a while. Given their price, they are substantially better than the name-brand discs you can buy at the big box stores. This is my product of choice.

### ⭐⭐⭐⭐ Works like it's supposed to
*by D***Y on July 9, 2025*

Not bad for the price

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---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-01*