---
product_id: 54543037
title: "Diametrically Magnetised N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 6mm O.D. x 3mm I.D. x 1mm thick - Pack of 10"
brand: "first4magnets"
price: "$33.46"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/54543037-diametrically-magnetised-n42-neodymium-magnet-for-engineering-manufacturing-and-technology
store_origin: EC
region: Ecuador
---

# Diametrically magnetised for precise rotational force Compact 6mm x 1mm size for versatile engineering use Triple-layer corrosion-resistant coating Diametrically Magnetised N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 6mm O.D. x 3mm I.D. x 1mm thick - Pack of 10

**Brand:** first4magnets
**Price:** $33.46
**Availability:** ✅ In Stock

## Summary

> 🧲 Power your projects with precision and durability — don’t get left behind!

## Quick Answers

- **What is this?** Diametrically Magnetised N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 6mm O.D. x 3mm I.D. x 1mm thick - Pack of 10 by first4magnets
- **How much does it cost?** $33.46 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/54543037-diametrically-magnetised-n42-neodymium-magnet-for-engineering-manufacturing-and-technology)

## Best For

- first4magnets enthusiasts

## Why This Product

- Trusted first4magnets brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Triple-layer nickel-copper-nickel coating ensures superior resistance to corrosion and demagnetisation—no extra maintenance needed.
- • **Compact Powerhouse:** Ultra-thin 1mm thickness and 6mm diameter fit seamlessly into tight engineering and manufacturing setups.
- • **Precision Magnetic Drive:** Diametrically magnetised design delivers consistent torque for motor shafts and magnetic rack & pinion systems.
- • **Pack of 10 for Pro Projects:** Bulk pack ensures you have enough premium magnets to prototype, build, and scale without interruption.
- • **Multi-Application Versatility:** Ideal for reed switch activation, motor drives, and custom magnetic assemblies—engineer your innovation with confidence.

## Overview

This pack of ten 6mm diameter, 1mm thick diametrically magnetised N42 neodymium magnets features a triple-layer nickel-copper-nickel coating for exceptional corrosion resistance and demagnetisation stability. Perfectly engineered for motor shafts, magnetic rack and pinion systems, and reed switch applications, these compact magnets deliver reliable, high-performance magnetic force in demanding manufacturing and technology environments.

## Description

Diametrically Magnetised N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 6mm O.D. x 3mm I.D. x 1mm thick - Pack of 10

## Features

- USED FOR MULTIPLE APPLICATIONS. Diametrically magnetised magnets are commonly used on the end of shafts to provide drive within motors. They can also be used to produce a magnetic rack and pinion system. It is also possible to use diametrically magnetised magnets for reed switch applications.
- RESISTANT TO DEMAGNETISATION. Resistant to demagnetisation and corrosion without any extra coating.
- CORROSION-RESISTANT PREMIUM COATING. Coated with three layers of nickel, copper, and nickel to reduce corrosion and provide a smooth and clean finish.
- SPECIFICATIONS. 6mm diameter x 4mm thick.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Magnet Expert® |
| Part Number | SP631DM-10 |
| Product Dimensions | 25 x 10 x 3 cm; 20 g |
| Item model number | SP631DM-10 |
| Size | 6mm O.D. x 3mm I.D. x 1mm thick |
| Material | Copper,Nickel |
| Shape | Round |
| Item Package Quantity | 1 |
| Number of Pieces | 10 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 20 g |

## Product Details

- **Material:** Copper,Nickel
- **Brand:** FIRST4MAGNETS
- **Shape:** Round
- **Number of pieces:** 10
- **Manufacturer:** Magnet Expert®

## Images

![Diametrically Magnetised N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 6mm O.D. x 3mm I.D. x 1mm thick - Pack of 10 - Image 1](https://m.media-amazon.com/images/I/615z2UtnjDL.jpg)
![Diametrically Magnetised N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 6mm O.D. x 3mm I.D. x 1mm thick - Pack of 10 - Image 2](https://m.media-amazon.com/images/I/71I2weSAalL.jpg)
![Diametrically Magnetised N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 6mm O.D. x 3mm I.D. x 1mm thick - Pack of 10 - Image 3](https://m.media-amazon.com/images/I/51NE81JQkhL.jpg)
![Diametrically Magnetised N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 6mm O.D. x 3mm I.D. x 1mm thick - Pack of 10 - Image 4](https://m.media-amazon.com/images/I/21NbrYtG8KL.jpg)

## Frequently Bought Together

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-01-25*