---
product_id: 42580701
title: "OCR 4\" Diamond Concrete Grinding Wheel, 12-Segment Concrete Grinding Wheel Disc for Angle Grinder - Polishing & Cleaning Stone, Cement, Marble Surfaces (Blue)"
brand: "ocr"
price: "S$20"
currency: SGD
in_stock: true
reviews_count: 5
url: https://www.desertcart.sg/products/42580701-ocr-4-diamond-concrete-grinding-wheel-12-segment-concrete-grinding
store_origin: SG
region: Singapore
---

# Fast cutting turbo cup design Heavy-duty heat-treated steel body Three-row diamond segments for smooth finish OCR 4" Diamond Concrete Grinding Wheel, 12-Segment Concrete Grinding Wheel Disc for Angle Grinder - Polishing & Cleaning Stone, Cement, Marble Surfaces (Blue)

**Brand:** ocr
**Price:** S$20
**Availability:** ✅ In Stock

## Summary

> 🔷 Grind like a pro, finish like a boss.

## Quick Answers

- **What is this?** OCR 4" Diamond Concrete Grinding Wheel, 12-Segment Concrete Grinding Wheel Disc for Angle Grinder - Polishing & Cleaning Stone, Cement, Marble Surfaces (Blue) by ocr
- **How much does it cost?** S$20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/42580701-ocr-4-diamond-concrete-grinding-wheel-12-segment-concrete-grinding)

## Best For

- ocr enthusiasts

## Why This Product

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

## Key Features

- • **Built to Outlast:** Heat-treated steel core and large diamond segments ensure unmatched durability for heavy-duty projects.
- • **Compact & Compatible:** 4-inch diameter fits standard angle grinders, delivering professional-grade results in a lightweight 8-ounce package.
- • **Versatile Surface Mastery:** Effortlessly smooth uneven surfaces and remove flashing on marble, tile, and field stone with one tool.
- • **Precision Three-Row Design:** Optimized for smooth, even grinding on granite, marble, and concrete—perfect for both wet and dry use.
- • **Turbocharged Cutting Power:** Experience lightning-fast grinding on concrete, stone, and masonry with aggressive turbo cup segments.

## Overview

The OCR 4" Diamond Concrete Grinding Wheel features a robust 12-segment turbo cup design with heat-treated steel for fast, durable grinding on concrete, stone, and marble. Its three-row diamond segments provide smooth finishes on a variety of surfaces, compatible with standard angle grinders for versatile wet or dry applications.

## Description

Full description not available

## Features

- Heavy Duty Contractor PRO Grade 4 Inch Grinding Wheel.
- FAST CUTTING:This aggressive turbo cup grinding wheel provides for very fast cutting action on masonry, stone and concrete.
- DURABLE: Large grinding segments with heat-treated steel bodies of our concrete grinding wheel increases durability.
- THREE ROW DESIGN: Better for grinding granite, marble, rock and concrete, use Dry/Wet to smooth Concrete or Field Stone.
- APPLICATION: Suitable for use on grinding on marble, tile, concrete, rock and some other construction material to smooth uneven surfaces and remove flashing.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Grit Material | Diamond |
| Product Dimensions | 4"L x 4"W |
| Brand | OCR |
| Compatible Devices | Angle Grinder |
| Grit Type | Medium |
| Item Thickness | 7.5 Millimeters |
| Grit Number | 60 |
| Construction Type | Grinding |
| UPC | 764276388094 |
| Recommended Uses For Product | Cutting |
| Manufacturer | OCR |
| Item Diameter | 4 Inches |
| Part Number | Blue-WH-12S |
| Item Weight | 8 ounces |
| Is Discontinued By Manufacturer | No |
| Color | Blue 12segs B |
| Material | Metal |
| Pattern | Yellow 12segs C |
| Power Source | Ac/Dc |
| Item Package Quantity | 1 |
| Cutting Diameter | 4 Inches |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Grit Material:** Diamond
- **Product Dimensions:** 4"L x 4"W
- **Brand:** OCR
- **Compatible Devices:** Angle Grinder
- **Grit Type:** Medium

## Images

![OCR 4" Diamond Concrete Grinding Wheel, 12-Segment Concrete Grinding Wheel Disc for Angle Grinder - Polishing & Cleaning Stone, Cement, Marble Surfaces (Blue) - Image 1](https://m.media-amazon.com/images/I/81sY5UiHTkL.jpg)
![OCR 4" Diamond Concrete Grinding Wheel, 12-Segment Concrete Grinding Wheel Disc for Angle Grinder - Polishing & Cleaning Stone, Cement, Marble Surfaces (Blue) - Image 2](https://m.media-amazon.com/images/I/81iJzNvig+L.jpg)
![OCR 4" Diamond Concrete Grinding Wheel, 12-Segment Concrete Grinding Wheel Disc for Angle Grinder - Polishing & Cleaning Stone, Cement, Marble Surfaces (Blue) - Image 3](https://m.media-amazon.com/images/I/81u506gJgiL.jpg)
![OCR 4" Diamond Concrete Grinding Wheel, 12-Segment Concrete Grinding Wheel Disc for Angle Grinder - Polishing & Cleaning Stone, Cement, Marble Surfaces (Blue) - Image 4](https://m.media-amazon.com/images/I/71hO77oWSIL.jpg)
![OCR 4" Diamond Concrete Grinding Wheel, 12-Segment Concrete Grinding Wheel Disc for Angle Grinder - Polishing & Cleaning Stone, Cement, Marble Surfaces (Blue) - Image 5](https://m.media-amazon.com/images/I/71OxEDoLqzL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worked great to level off edge of lifted sidewalk slab
*by E***C on July 26, 2023*

I bought this with the intention of using it to shave down the edge of a lifted concrete sidewalk section in front of my house. Having never attempted to grind concrete before I was not sure if it would work or how long it would last. I am happy to report that it worked extremely well! It is not as fast as a dedicated concrete grinding machine but my angle grinder and this grinding cup did the job in under 15 minutes for less than 10 bucks! The results are better looking than when the city comes and does the job and I didn't have to pay $300 which is a win-win in my book! As an added bonus I would estimate that after grinding down 2 feet of concrete by 1/2" the grinding cup still has about 50% of its life left. I am impressed with this product and would highly recommend it if you are looking for a cost effective and simple solution for grinding some concrete.

### ⭐⭐⭐⭐⭐ Solid Grinding on Slate and Wood
*by S***E on July 12, 2017*

The media could not be loaded. I've been really impressed with this grinder attachment. Seeing that many different ones were for sale on the site, I went this one because of the price and simply because it looked solid. As you can see in my video, this thing absolutely devoured the slate table top I was working on, grinding it down almost a quarter inch in very little times. Yes it's hard to grind even a soft stone completely smooth with this grinder attachment, but it's a great first step.I've also used this grinder for an initial treatment on rough barn wood, and it's worked well. Sanding after takes much less time. It's a simple tool that does the job and lasts longer than a grit grinder wheel. So I like it a lot.

### ⭐⭐⭐⭐ but not any better than the others above
*by S***S on November 16, 2017*

We recently had to replace about a thousand square feet of outdoor tile on a concrete slab. We had done a similar project two years ago on an adjacent area, so knowing what we were getting into, we bought several wheels to help remove the old thin set. We used a new DeWalt 13amp grinder with all of them. On the previous project we used the "4 inch Diamond Segment Grinding Cup Wheel Disc Grinder Concrete Granite Stone" (blue disc) at just over eleven dollars and it worked well and lasted for about 350 square feet. We decided that this time we would try several to see if we could get more square footage out of a blade or more importantly, if we could work less hard to remove the material (i.e. we hoped another blade would be more aggressive and reduce the effort needed). Following are all of the blades including the one this review is attached to. We hope this breakdown will help.DeWalt DW4774 4-1/2" Double Row:.This blade seemed to be the best of the bunch, but at thirty-five dollars, we question whether or not it was noticeably superior enough to justify the cost. As to durability, we finished the last 200 square feet of the project with this blade and it was still going strong which might be the justification for the price.OCR 4" Concrete Turbo Diamond Grinding Cup Wheel Three Row....:This wheel did very well and for the lower priced group lasted just shy of the 4" Diamond Segment Grinding Cup Wheel Disc... (Blue version).It ultimately lasted for about 300 square feet.4" Diamond Segment Grinding Cup Wheel Disc... (Blue version):We liked this one the best of the inexpensive group (and have ordered extras). It consistently got about 350 square feet and seemed to wear out evenly. A really good buy for the dollar.Whirlwind USA GPST 4.5" Heavy Duty Grinding Cup Wheel:This was the most expensive of the group and at first we were very disappointed in it. After using it for a while though, we came to realize it is better suited for polishing work rather than fast removal of large amounts of material. It did not seem to wear much at all for the work it did and we will look forward to using it when we need to provide a smooth finished surface. For just grinding, don't pay the high price, it is definitely not worth it.4" Diamond Segment Double Row Grinding Cup Wheel Disc.... (Black Version):This was the least competent of the bunch. It worked reasonably well but only lasted for about 200 square feet. At the end, it literally lost all of its teeth and was just a smooth flat wheel. The others in the twelve dollar range were much better buys.In summary, we feel that if you are only going to grind a smaller area of concrete (or like material) and it is not a massive project like ours, the inexpensive blades are a great buy and do just as good a job, if not better.

## Frequently Bought Together

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-23*