---
product_id: 760234970
title: "DIYMAG Strong Rare Earth Magnet, Cube Neodymium Science Magnet 40x40x20mm | N52 Large Industrial High Powerful Block Magnets Disc Thick for Crafts, Fridge Unique"
brand: "diymag"
price: "¥6863"
currency: JPY
in_stock: true
category: "Diymag"
url: https://www.desertcart.jp/products/760234970-diymag-strong-rare-earth-magnet-cube-neodymium-science-magnet-40x40x20mm
store_origin: JP
region: Japan
---

# 40x40x20mm - Compact yet powerful block size 80°C Max Temp - Durable under industrial conditions N52 Grade - World's strongest rare earth magnet DIYMAG Strong Rare Earth Magnet, Cube Neodymium Science Magnet 40x40x20mm | N52 Large Industrial High Powerful Block Magnets Disc Thick for Crafts, Fridge Unique

**Brand:** diymag
**Price:** ¥6863
**Availability:** ✅ In Stock

## Summary

> 🧲 Harness the power of the strongest magnet and never settle for less!

## Quick Answers

- **What is this?** DIYMAG Strong Rare Earth Magnet, Cube Neodymium Science Magnet 40x40x20mm | N52 Large Industrial High Powerful Block Magnets Disc Thick for Crafts, Fridge Unique by diymag
- **How much does it cost?** ¥6863 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/760234970-diymag-strong-rare-earth-magnet-cube-neodymium-science-magnet-40x40x20mm)

## Best For

- diymag enthusiasts

## Why This Product

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

## Key Features

- • **Safety First Handling:** Designed with caution in mind—wear gloves and glasses to handle this powerhouse safely.
- • **Unmatched Magnetic Power:** Experience the force of the strongest N52 neodymium magnet on the market.
- • **Heat Resistant Performance:** Operates reliably up to 80°C, ideal for demanding environments.
- • **Versatile Industrial & DIY Use:** Perfect for lifting, crafting, and executive desk toys that spark conversation.
- • **Precision Engineered Dimensions:** Compact 40x40x20mm size fits perfectly for industrial and creative projects.

## Overview

This 40x40x20mm N52 neodymium block magnet from DIYMAG is the ultimate rare earth magnet, delivering unmatched magnetic strength in a compact form. Rated for industrial use with a max operating temperature of 80°C, it’s perfect for lifting, crafting, and executive toys. With over 4,600 positive reviews, it’s the go-to choice for professionals and hobbyists who demand power and precision.

## Description

DIYMAG Strong Rare Earth Magnet, Cube Neodymium Science Magnet 40x40x20mm | N52 Large Industrial High Powerful Block Magnets Disc Thick for Crafts, Fridge Unique: desertcart.com: Industrial & Scientific

## Features

- 100% Brand New By DIYMAG. Magnetized through thickness, poles on the flat surfaces.
- Super strong and powerful magnet, much stronger than ceramic magnets!
- Dimension: Length 40mm x width 40mm x thickness 20mm Max Operating Temperature: 80°C/176°F.
- Quantity: 1 Block Industrial Lifting Rare Earth Magnets N52 per Package.
- Neodymium magnets are brittle; they can be broken or can splinter in a collision. One should wear gloves and protective glasses when handling these magnets, because splinters could disengage and fly from the magnets.You should avoid having constant contact with magnets of any size and keep a distance of at least 3 feet to large magnets.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07CCJSPWR |
| Best Sellers Rank | #7,255 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #83 in Rare Earth Magnets |
| Brand Name | DIYMAG |
| Color | Silver |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,770) |
| Included Components | Material Handling; Pulling & Lifting Equipment; industrial-rare-earth-magnets |
| Item Dimensions L x W x Thickness | 1.57"L x 1.57"W x 0.79"Th |
| Item Thickness | 3.54 inches |
| Manufacturer | DIYMAG |
| Material Type | Ceramic |
| Model Number | F404020 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Part Number | F404020 |
| Shape | Rectangular |
| UPC | 850077560378 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** DIYMAG
- **Color:** Silver
- **Material:** Ceramic
- **Product Dimensions:** 1.57"L x 1.57"W x 0.79"Th
- **Shape:** Rectangular

## Images

![DIYMAG Strong Rare Earth Magnet, Cube Neodymium Science Magnet 40x40x20mm | N52 Large Industrial High Powerful Block Magnets Disc Thick for Crafts, Fridge Unique - Image 1](https://m.media-amazon.com/images/I/61NuT6RrCSL.jpg)

## Available Options

This product comes in different **Size, Number Of Items** options.

## Frequently Bought Together

- 40x40x20mm Super Strong Neodymium Block Magnet, N52 Permanent Magnet Disc, The World's Strongest and Most Powerful Rare Earth Magnets - One Piece
- LOVIMAG Super Strong Neodymium Disc Magnets, Powerful Rare Earth Magnet with Double-Sided Adhesive for Fridge, DIY, Building, Scientific, Craft, and Office Magnetic - 1.26 inch x 1/8 inch, Pack of 12

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**Shop now:** [https://www.desertcart.jp/products/760234970-diymag-strong-rare-earth-magnet-cube-neodymium-science-magnet-40x40x20mm](https://www.desertcart.jp/products/760234970-diymag-strong-rare-earth-magnet-cube-neodymium-science-magnet-40x40x20mm)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-09*