---
product_id: 291328064
title: "FIRST4MAGNETS N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 20mm dia x 3mm thick x 3.6mm Countersunk Hole - 4.5kg Pull - North - Pack of 2"
brand: "first4magnets"
price: "17978CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/291328064-first4magnets-n42-neodymium-magnet-for-arts-crafts-model-making-diy
store_origin: SN
region: Senegal
---

# ±0.1mm precision tolerance 3.6mm countersunk hole for secure fixing 4.5kg pull strength FIRST4MAGNETS N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 20mm dia x 3mm thick x 3.6mm Countersunk Hole - 4.5kg Pull - North - Pack of 2

**Brand:** first4magnets
**Price:** 17978CFA
**Availability:** ✅ In Stock

## Summary

> 🧲 Elevate your craft with magnetic precision and power!

## Quick Answers

- **What is this?** FIRST4MAGNETS N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 20mm dia x 3mm thick x 3.6mm Countersunk Hole - 4.5kg Pull - North - Pack of 2 by first4magnets
- **How much does it cost?** 17978CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/291328064-first4magnets-n42-neodymium-magnet-for-arts-crafts-model-making-diy)

## 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

- • **Precision Engineering:** Manufactured with ±0.1mm tolerance for seamless integration
- • **Powerful Magnetic Grip:** Supports up to 4.5kg pull force for reliable hold in any project
- • **Versatile Creative Use:** Ideal for crafts, DIY, model making, and office setups—elevate your workspace or hobby game
- • **Sleek & Secure Installation:** Countersunk hole allows flush mounting with 3mm screws for a clean, professional finish
- • **Durable Triple-Layer Coating:** Nickel-copper-nickel plating resists corrosion and ensures long-lasting shine

## Overview

This pack of two FIRST4MAGNETS N42 neodymium magnets features a 20mm diameter and 3mm thickness with a 3.6mm countersunk hole for easy, flush mounting. Each magnet delivers a strong 4.5kg pull force, precision-made within ±0.1mm tolerance, and is coated with a triple-layer nickel-copper-nickel finish to resist corrosion. Perfect for professional-grade arts, crafts, DIY projects, and office applications where strength and sleek installation matter.

## Description

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 20mm dia x 3mm thick x 3.6mm Countersunk Hole - 4.5kg Pull - North - Pack of 2

## Features

- Pack of 2
- 20mm diameter x 3mm thick with a 3.6mm diameter countersunk hole for fixing
- +/- 0.1mm tolerance
- Each magnet has its north pole on the countersunk face
- Each magnet can support 4.5kg pull vertically from the magnetic face when in flush contact with a mild steel surface

## Product Details

- **Material:** Copper, Nickel
- **Brand:** FIRST4MAGNETS
- **Product dimensions:** 20L x 20W x 3Th millimeters
- **Colour:** Silver
- **Shape:** Round

## Images

![FIRST4MAGNETS N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 20mm dia x 3mm thick x 3.6mm Countersunk Hole - 4.5kg Pull - North - Pack of 2 - Image 1](https://m.media-amazon.com/images/I/61BO-k6BU9L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- N42 Neodymium Countersunk Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 20mm dia x 3mm thick x 3.6mm Countersunk Hole - 4.5kg Pull - North - Pack of 2
- N42 Neodymium Countersunk Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 15mm dia x 2mm thick x 4.2mm c/sink - 1.7kg Pull - South - Pack of 2

---

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**Shop now:** [https://www.desertcart.sn/products/291328064-first4magnets-n42-neodymium-magnet-for-arts-crafts-model-making-diy](https://www.desertcart.sn/products/291328064-first4magnets-n42-neodymium-magnet-for-arts-crafts-model-making-diy)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-18*