---
product_id: 253917762
title: "AOMAG Ferrite Ring Magnet, 4In Dia, Ceramic for Science Experiment"
brand: "aomag"
price: "$218971"
currency: COP
in_stock: true
reviews_count: 5
category: "Aomag"
url: https://www.desertcart.co/products/253917762-aomag-ferrite-ring-magnet-4in-dia-ceramic-for-science-experiment
store_origin: CO
region: Colombia
---

# Precision 100mm ±0.05mm Grade C8 Ceramic Magnet Stable up to 400°F AOMAG Ferrite Ring Magnet, 4In Dia, Ceramic for Science Experiment

**Brand:** aomag
**Price:** $218971
**Availability:** ✅ In Stock

## Summary

> 🧲 Elevate your experiments and executive desk game with magnetic precision!

## Quick Answers

- **What is this?** AOMAG Ferrite Ring Magnet, 4In Dia, Ceramic for Science Experiment by aomag
- **How much does it cost?** $218971 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/253917762-aomag-ferrite-ring-magnet-4in-dia-ceramic-for-science-experiment)

## Best For

- aomag enthusiasts

## Why This Product

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

## Key Features

- • **Thermal Stability:** Maintains magnetic integrity up to 400°F—built to perform under pressure.
- • **Sleek Industrial Design:** Dark grey ceramic ring magnet that blends professional aesthetics with durability.
- • **Premium Grade C8 Ceramic:** Delivers reliable magnetic strength for serious science and executive play.
- • **ISO9001 Certified Quality:** Manufactured under strict quality standards for consistent, dependable performance.
- • **Precision Perfect Dimensions:** Engineered with tight ±0.05mm tolerance for flawless fit and function.

## Overview

The AOMAG Ferrite Ring Magnet is a 4-inch diameter, 20mm thick ceramic magnet with a 60mm inner hole, crafted to Grade C8 standards. With a tight manufacturing tolerance of ±0.05mm and thermal stability up to 400°F, this ISO9001:2008 certified magnet offers reliable strength and precision for science experiments or executive toys. Its sleek dark grey finish and robust build make it a top choice for professionals seeking both function and style.

## Description

Ring Magnet, Dimension: Outer Diameter: 100mm Inner Diameter: 60mm Thickness: 20mm, Grade 8 Ceramic, Dark Grey Ring Magnet, Thickness (In.) 0.79, Dia. (In.) 3.95, Hole Dia. (In.) 2.36, Stability Temp. (Deg. F) 400, Grade 8 Ceramic, Dark Grey

Review: Ottimo
Review: Strong ring

## Features

- Dimension: Outer Diameter: 100mm Inner Diameter: 60mm Thickness: 20mm
- Material: Ceramic Magnets. Tolerance:+/-0.05mm
- Grade: Ceramic C8 With ISO9001:2008 Certified.
- Package include: 1pc ring Hard magnets
- Produced by http://www.aomagnet.com . Powered by AOMAG Only!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B007OXE3LI |
| Best Sellers Rank | #64,697 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #99 in Industrial Magnets |
| Item model number | 7-303578JFA |
| Manufacturer | AOMAG |
| Product Dimensions | 10 x 6 x 2 cm; 508.02 g |

## Product Details

- **Brand:** AOMAG
- **Colour:** Black
- **Material:** Ferrite
- **Product dimensions:** 10L x 10W x 2Th centimeters
- **Shape:** Round

## Images

![AOMAG Ferrite Ring Magnet, 4In Dia, Ceramic for Science Experiment - Image 1](https://m.media-amazon.com/images/I/51J6vGD7njL.jpg)
![AOMAG Ferrite Ring Magnet, 4In Dia, Ceramic for Science Experiment - Image 2](https://m.media-amazon.com/images/I/51GUo-ydjNL.jpg)
![AOMAG Ferrite Ring Magnet, 4In Dia, Ceramic for Science Experiment - Image 3](https://m.media-amazon.com/images/I/61yYrQR1WzL.jpg)
![AOMAG Ferrite Ring Magnet, 4In Dia, Ceramic for Science Experiment - Image 4](https://m.media-amazon.com/images/I/41Dg7zR3qdL.jpg)
![AOMAG Ferrite Ring Magnet, 4In Dia, Ceramic for Science Experiment - Image 5](https://m.media-amazon.com/images/I/61VSDOUuP5L.jpg)

## Questions & Answers

**Q: what is the lifting capacity of this magnet?**
A: I’m my experience between 325 - 370g.

**Q: what is the equivalent pull force?**
A: This magnet can pick up about 100 paper clips

**Q: What is the diameter of the inner hole?**
A: 2-1/4" ID

**Q: how many gauss?**
A: wasn't posted on the box

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by V***O on 8 October 2025*

Ottimo

### ⭐⭐⭐⭐⭐ Review
*by A***C on 24 September 2025*

Strong ring

### ⭐⭐⭐⭐⭐ Review
*by P***E on 1 December 2024*

Bonne qualité

## Frequently Bought Together

- Ferrite Ring Magnet, 4In Dia, Big Round Circle Ceramic Magnets with Hole, Strong Large Donut Circular Magnetic Ring Heavy Duty for DIY, Crafts Speaker Creative Hobbies Science
- Legrand Pass & Seymour S752WCC10 660W 250V Medium Base A26 Lampholder, Cleat Sockets, Front Wire, White (1 Count)
- Hillman 25' 18 Gauge Bare Copper Wire

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-03-01*