---
product_id: 408935543
title: "M8 Serrated Flange Hex Lock Nuts, Carbon Steel Black Oxide Finished 20pcs"
brand: "uxcell"
price: "R392"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/408935543-m8-serrated-flange-hex-lock-nuts-carbon-steel-black-oxide
store_origin: ZA
region: South Africa
---

# M8 Thread Size Hexagonal Head Style 20 Pieces Included M8 Serrated Flange Hex Lock Nuts, Carbon Steel Black Oxide Finished 20pcs

**Brand:** uxcell
**Price:** R392
**Availability:** ✅ In Stock

## Summary

> 🔩 Lock it down with style!

## Quick Answers

- **What is this?** M8 Serrated Flange Hex Lock Nuts, Carbon Steel Black Oxide Finished 20pcs by uxcell
- **How much does it cost?** R392 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/408935543-m8-serrated-flange-hex-lock-nuts-carbon-steel-black-oxide)

## Best For

- uxcell enthusiasts

## Why This Product

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

## Key Features

- • **📏 Perfect Fit:** M8 thread diameter and 16.4mm flange diameter for versatile applications.
- • **🔧 Easy Installation:** External hex drive system allows for quick and efficient fastening.
- • **🔒 Self-Locking Design:** Serrated flange prevents loosening, ensuring your projects stay secure.
- • **💼 Professional Quality:** Ideal for both DIY enthusiasts and professional contractors alike.
- • **🛡️ Durable Construction:** Crafted from carbon steel with a black oxide finish for superior rust resistance.

## Overview

The uxcell M8 Serrated Flange Hex Lock Nuts come in a pack of 20, made from durable carbon steel with a sleek black oxide finish. Designed for optimal rust resistance and a secure fit, these nuts feature a self-locking serrated flange that digs into materials to prevent loosening, making them perfect for a variety of fastening applications.

## Description

uxcell M8 Serrated Flange Hex Lock Nuts, Carbon Steel Black Oxide Finished 20pcs

## Features

- Fastener Type: Hex Serrated Flange Nut
- Thread Diameter: M8; Thread Pitch: 1.25 ; Flange Diameter(A): 16.4mm/0.65"
- Width Across Flat Size (B) : 13mm/0.51"; Nut Height (M) : 7mm/0.28"
- Constructed from carbon steel, black oxide finish, good rust resistance, and durable to use.
- Self-locking serrated flange digs into the material being fastened to help prevent loosening.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Steel |
| Fastener Type | Flange, Hex |
| Thread Size | M 8 |
| Exterior Finish | Carbon Steel,Black |
| Color | Black |
| Metal Type | Carbon Steel |
| Finish Type | Black Oxide |
| Drive System | External Hex |
| Brand | uxcell |
| Thread Type | Unified National Coarse |
| Inside Thread Size | M8 |
| Thread Style | Right Hand |
| Thread Coverage | Fully Threaded |
| Size | M8 |
| Head Style | Hexagonal |
| Item Diameter | 13 Millimeters |
| Compatible groove diameter | 8 Millimeters |
| Number of Pieces | 20 |
| Manufacturer | uxcell |
| Part Number | a21091000ux0133 |
| Item Weight | 4.2 ounces |
| Item model number | a21091000ux0133 |
| Finish | Black Oxide |
| Cutting Diameter | 13 Millimeters |
| Batteries Required? | No |

## Product Details

- **Material:** Steel
- **Fastener Type:** Flange, Hex
- **Thread Size:** M 8
- **Exterior Finish:** Carbon Steel,Black
- **Color:** Black

## Images

![M8 Serrated Flange Hex Lock Nuts, Carbon Steel Black Oxide Finished 20pcs - Image 1](https://m.media-amazon.com/images/I/61g-NzIHt+L.jpg)

## Available Options

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

## Frequently Bought Together

- uxcell M8 Serrated Flange Hex Lock Nuts, Carbon Steel Black Oxide Finished 20pcs
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**Shop now:** [https://www.desertcart.co.za/products/408935543-m8-serrated-flange-hex-lock-nuts-carbon-steel-black-oxide](https://www.desertcart.co.za/products/408935543-m8-serrated-flange-hex-lock-nuts-carbon-steel-black-oxide)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-07-04*