---
product_id: 490940691
title: "Black Stainless Steel Cap Nut M3 M4 M5 M6 M8 M10 Hex Acorn Dome Head Nuts for Screws Bolts - Pack of 6 (M3)"
brand: "generic"
price: "€ 7.12"
currency: EUR
in_stock: true
reviews_count: 4
category: "Generic"
url: https://www.desertcart.ie/products/490940691-black-stainless-steel-cap-nut-m3-m4-m5-m6-m8
store_origin: IE
region: Ireland
---

# Black zinc corrosion-resistant coating Smooth acorn dome design Durable A2 stainless steel Black Stainless Steel Cap Nut M3 M4 M5 M6 M8 M10 Hex Acorn Dome Head Nuts for Screws Bolts - Pack of 6 (M3)

**Brand:** generic
**Price:** € 7.12
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your hardware game with sleek, durable black dome nuts — because details matter.

## Quick Answers

- **What is this?** Black Stainless Steel Cap Nut M3 M4 M5 M6 M8 M10 Hex Acorn Dome Head Nuts for Screws Bolts - Pack of 6 (M3) by generic
- **How much does it cost?** € 7.12 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/490940691-black-stainless-steel-cap-nut-m3-m4-m5-m6-m8)

## Best For

- generic enthusiasts

## Why This Product

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

## Key Features

- • **Safety Meets Style:** Acorn dome shape prevents snags and adds a modern, polished look to visible hardware installations.
- • **Premium Black Stainless Steel:** Crafted from A2 stainless steel with sleek black zinc finish for unmatched durability and corrosion resistance.
- • **Size Variety for Precision Fit:** Available in M3 to M10 sizes ensuring the perfect fit for every project, from delicate models to heavy-duty repairs.
- • **Versatile Industrial & DIY Use:** Perfect for automotive, architecture, food industry, and creative projects—engineered to perform across diverse applications.
- • **Pack of 6 for Value & Convenience:** Get six high-quality nuts per pack—ideal for professionals and DIYers who demand reliability and style.

## Overview

These Black Stainless Steel Cap Nuts (M3) are precision-engineered from premium A2 stainless steel with a black zinc coating, offering superior corrosion resistance and a smooth acorn dome design that combines safety with modern aesthetics. Sold in packs of six, they cater to a wide range of industrial and DIY applications, ensuring a reliable, stylish finish for your projects.

## Description

High quality black dome nuts made of durable A2 stainless steel with black zinc coating. Excellent corrosion resistance. Pack of 6 Acorn Nuts available in sizes M3 M4 M5 M6 M8 M10. These high quality stainless steel nuts can be used in a variety of applications both industrial and DYI.

Review: Very high quality - Not the cheapest but I needed quality and these are worth the extra. If they are going to be on display I recommend this supplier.
Review: Very good quality. - Bought M6 dome nuts for repair job. Very satisfied.

## Features

- 🛠️ 🔩[PREMIUM BLACK DOME NUTS] - These acorn style full nuts are made from durable A2 Stainless Steel with a black zinc coating.
- 🛠️ 🔩 [VERSATILE USE] - Durable A2 Stainless steel is used in a wide range of applications in different industries such as the automotive industry for body panelling and bumpers etc, food and catering industries for the corrosion resistance, in the engineering and architecture industries, for the remote control and model making.
- 🛠️ 🔩 [ACORN STYLE] - These dome nuts feature a smooth acorn style design reducing the risk of ripped clothing and adds a modern touch to your landscaping, patio furniture, and outdoor projects.
- 🛠️ 🔩 [VARIOUS SIZES] - Our assortment include a wide variaty of A2 stainless steel black dome nuts (M3 to M10) that can be used in a variety of applications both industrial and DIY.
- Check size you require before ordering.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BGPXMLJ8 |
| Best Sellers Rank | 98,225 in DIY & Tools ( See Top 100 in DIY & Tools ) 32 in Acorn Nuts |
| Brand Name | Generic |
| Colour | Black |
| Compatible Groove Diameter | 4.2 Millimeters |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.3 out of 5 stars 31 Reviews |
| Drive Style | External Hex |
| Exterior Finish | Stainless Steel |
| Exterior finish | Stainless Steel |
| Fastener Type | Hex |
| Fastener type | Hex |
| Finish Types | Blackened Stainless Steel |
| Grade Rating | commercial |
| Inside Thread Size | M3, M4, M5, M6, M8, M10 |
| Item Diameter | 3 Millimetres |
| Item Dimensions | 50 x 60 x 20 millimetres |
| Item height | 2 centimetres |
| Manufacturer | LFDC Supplies |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Metal | Blackened Stainless Steel |
| Metal type | Blackened Stainless Steel |
| Number of Pieces | 6 |
| Screw Head Style | dome |
| Size | M3 |
| Thread Coverage | Fully Threaded |
| Thread Size | M3, M4, M5, M6, M8, M10, M12 |
| Thread Style | Both |
| Thread Type | ISO Metric |
| Thread size | M3, M4, M5, M6, M8, M10, M12 |
| Unit Count | 55.0 gram |

## Product Details

- **Brand:** Generic
- **Colour:** Black
- **Exterior finish:** Stainless Steel
- **Fastener type:** Hex
- **Finish type:** Blackened Stainless Steel
- **Item dimensions L x W x H:** 50 x 60 x 20 millimetres
- **Material:** Stainless Steel
- **Metal type:** Blackened Stainless Steel
- **Thread size:** M3, M4, M5, M6, M8, M10, M12
- **Thread type:** ISO Metric

## Images

![Black Stainless Steel Cap Nut M3 M4 M5 M6 M8 M10 Hex Acorn Dome Head Nuts for Screws Bolts - Pack of 6 (M3) - Image 1](https://m.media-amazon.com/images/I/51cqKZILNBL.jpg)
![Black Stainless Steel Cap Nut M3 M4 M5 M6 M8 M10 Hex Acorn Dome Head Nuts for Screws Bolts - Pack of 6 (M3) - Image 2](https://m.media-amazon.com/images/I/61BIsJr3U8L.jpg)
![Black Stainless Steel Cap Nut M3 M4 M5 M6 M8 M10 Hex Acorn Dome Head Nuts for Screws Bolts - Pack of 6 (M3) - Image 3](https://m.media-amazon.com/images/I/61aT9tPiHcL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very high quality
*by M***L on 19 April 2025*

Not the cheapest but I needed quality and these are worth the extra. If they are going to be on display I recommend this supplier.

### ⭐⭐⭐⭐⭐ Very good quality.
*by T***K on 5 January 2024*

Bought M6 dome nuts for repair job. Very satisfied.

### ⭐⭐⭐⭐ Solid nut but colour came off a little when tightening for the first time
*by G***A on 8 December 2023*

Nice product but was concerned when the colour started to rub off when first tightening it. However, can't notice anything and doesn't seem to do it any more.

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-05*