---
product_id: 649982470
title: "FIRST4MAGNETS N42 Neodymium Arc Magnet for Engineering, Manufacturing, DIY and Motors - 5kg Pull - 20mm O.R. x 12.5mm I.R. x 90 Degree x 5mm thick - Pack of 10"
brand: "first4magnets"
price: "20 zł"
currency: PLN
in_stock: false
url: https://www.desertcart.pl/products/649982470-first4magnets-n42-neodymium-arc-magnet-for-engineering-manufacturing-diy-motors
store_origin: PL
region: Poland
---

# 20mm O.R. x 12.5mm I.R. x 5mm thick 5kg pull strength 90° arc curvature FIRST4MAGNETS N42 Neodymium Arc Magnet for Engineering, Manufacturing, DIY and Motors - 5kg Pull - 20mm O.R. x 12.5mm I.R. x 90 Degree x 5mm thick - Pack of 10

**Brand:** first4magnets
**Price:** 20 zł
**Availability:** ❌ Out of Stock

## Summary

> 🧲 Elevate your engineering game with magnetic precision and power!

## Quick Answers

- **What is this?** FIRST4MAGNETS N42 Neodymium Arc Magnet for Engineering, Manufacturing, DIY and Motors - 5kg Pull - 20mm O.R. x 12.5mm I.R. x 90 Degree x 5mm thick - Pack of 10 by first4magnets
- **How much does it cost?** 20 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/649982470-first4magnets-n42-neodymium-arc-magnet-for-engineering-manufacturing-diy-motors)

## 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

- • **Compact Yet Mighty:** Small 20mm outer radius fits tight spaces without compromising force.
- • **Precision Arc Design:** 90-degree curvature engineered for seamless motor and rotor integration.
- • **Powerful 5kg Magnetic Grip:** Securely holds heavy components with industrial-grade strength.
- • **Pack of 10 for Maximum Impact:** Bulk set ensures you never run out during critical projects.
- • **Versatile Engineering Essential:** Ideal for DIY, manufacturing, and advanced motor applications.

## Overview

FIRST4MAGNETS N42 Neodymium Arc Magnets deliver a robust 5kg pull force with a precise 90-degree curvature, measuring 20mm outer radius by 12.5mm inner radius and 5mm thick. Perfectly designed for motors, rotors, stators, and DIY manufacturing projects, this pack of 10 ensures professional-grade magnetic performance in compact form.

## Description

Commonly used in motors for both rotors and stators, these high-performance neodymium (N42) magnets are magnetised with the north and south poles on opposite flat faces. Each magnet can support 5kg pull vertically from the magnetic face when in flush contact with a mild steel surface of equal thickness.

## Features

- SPECIFICATION: 20mm outside radius x 12.5mm inner radius x 5mm thick. 90 degree curvature.

## Product Details

- **Material:** Neodymium
- **Brand:** FIRST4MAGNETS
- **Product Dimensions:** 0.2"L x 0.2"W x 0.2"Th
- **Color:** Silver
- **Shape:** Round

## Images

![FIRST4MAGNETS N42 Neodymium Arc Magnet for Engineering, Manufacturing, DIY and Motors - 5kg Pull - 20mm O.R. x 12.5mm I.R. x 90 Degree x 5mm thick - Pack of 10 - Image 1](https://m.media-amazon.com/images/I/31lG5QYzKSL.jpg)

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**Shop now:** [https://www.desertcart.pl/products/649982470-first4magnets-n42-neodymium-arc-magnet-for-engineering-manufacturing-diy-motors](https://www.desertcart.pl/products/649982470-first4magnets-n42-neodymium-arc-magnet-for-engineering-manufacturing-diy-motors)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-30*