---
product_id: 595468251
title: "220 Pcs Nylon Lock Nuts, Hex Lock Nut Assortment Kit, Nylon Insert Hex Nut Set, Locknuts, Black Carbon Steel Self-Locking Nuts, Metric M3 M4 M5 M6 M8 M10 M12"
brand: "qxayxa"
price: "$61.88"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/595468251-220-pcs-nylon-lock-nuts-hex-lock-nut-assortment-kit
store_origin: EC
region: Ecuador
---

# Self-locking design 220 pcs total Carbon steel 220 Pcs Nylon Lock Nuts, Hex Lock Nut Assortment Kit, Nylon Insert Hex Nut Set, Locknuts, Black Carbon Steel Self-Locking Nuts, Metric M3 M4 M5 M6 M8 M10 M12

**Brand:** qxayxa
**Price:** $61.88
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock it down with style!

## Quick Answers

- **What is this?** 220 Pcs Nylon Lock Nuts, Hex Lock Nut Assortment Kit, Nylon Insert Hex Nut Set, Locknuts, Black Carbon Steel Self-Locking Nuts, Metric M3 M4 M5 M6 M8 M10 M12 by qxayxa
- **How much does it cost?** $61.88 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/595468251-220-pcs-nylon-lock-nuts-hex-lock-nut-assortment-kit)

## Best For

- qxayxa enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Hex design ensures screws stay secure, providing peace of mind with every installation.
- • **Unmatched Durability:** Crafted from high-quality carbon steel, these nuts resist corrosion and maintain performance in harsh environments.
- • **Versatile Applications:** Ideal for professionals and DIY enthusiasts alike, suitable for a wide range of industries from automotive to electronics.
- • **Comprehensive Assortment:** Includes 220 pieces in various sizes (M3 to M12) to meet all your fastening needs.
- • **Vibration-Proof Technology:** Nylon inserts enhance friction, preventing loosening due to vibrations—perfect for high-stakes applications.

## Overview

The qxayxa220 Pcs Nylon Lock Nuts Assortment Kit features 220 high-quality carbon steel self-locking nuts with nylon inserts, designed to prevent loosening from vibrations. With a glossy black finish and a range of sizes from M3 to M12, this kit is perfect for both professional and DIY applications, ensuring durability and safety in various industries.

## Description

220 Pcs Nylon Lock Nuts, Hex Lock Nut Assortment Kit, Nylon Insert Hex Nut Set, Locknuts, Black Carbon Steel Self-Locking Nuts, Metric M3 M4 M5 M6 M8 M10 M12

## Features

- Exquisite Material: The nylock nuts are made of high quality carbon steel, the surface and edges are smooth and burr-free, not easy to deform or break, corrosion-resistant, rust-proof, and can maintain good performance and durability in harsh environments.
- Hex Self-locking Nuts with Nylon Insert: These locking nuts assortment are equipped with nylon inserts inside, and the nylon material prevents loosening caused by vibration by increasing the friction between the nylon and the thread. The insert deforms elastically on the thread of the screw, but the thread does not cut into the nylon.
- Practical Design: Hexagon lock nut with nylon insert can prevent the screws from being exposed, prevent accidentally moved screws from falling off, ensure a firm fixation and better safety and stability with strong anti-twist protection.
- Wide Range of Applications: Widely used in various industries, such as electrical appliances, precision machinery, computers, furniture, vehicles, sheet metal, aircraft and other fields. Suitable for professionals and DIY enthusiasts.
- Package Includes: You will receive a total of 220 pieces, the size includes 70 pieces M3, 50 pieces M4, 40 pieces M5, 30 pieces M6, 15 pieces M8, 10 pieces M10, 5 pieces M12, the quantity is sufficient, the size is rich to meet various field usage requirements.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Metal | Carbon Steel |
| Finish Type | Glossy |
| Material Type | Carbon Steel |
| Number of Pieces | 220 |
| Item Dimensions | 17.5 x 10 x 2.4 centimetres |
| Thread Style | Right Hand |
| Thread Coverage | Partially Threaded |
| Drive System | External Hex |
| Thread Type | Unified National |
| Inside Thread Size | M3, M4, M5, M6, M8, M10, M12 |
| Fastener Type | NUTS |
| Thread Size | M3 M4 M5 M6 M8 M10 12 |
| Exterior Finish | Black |
| Colour | Black |

## Product Details

- **Material:** Carbon Steel
- **Fastener type:** NUTS
- **Thread size:** M3 M4 M5 M6 M8 M10 12
- **Exterior finish:** Black
- **Colour:** Black
- **Metal type:** Carbon Steel
- **Finish type:** Glossy
- **Drive system:** External Hex
- **Brand:** qxayxa
- **Item dimensions L x W x H:** 17.5 x 10 x 2.4 centimetres

## Images

![220 Pcs Nylon Lock Nuts, Hex Lock Nut Assortment Kit, Nylon Insert Hex Nut Set, Locknuts, Black Carbon Steel Self-Locking Nuts, Metric M3 M4 M5 M6 M8 M10 M12 - Image 1](https://m.media-amazon.com/images/I/715J0hIUwtL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.ec/products/595468251-220-pcs-nylon-lock-nuts-hex-lock-nut-assortment-kit](https://www.desertcart.ec/products/595468251-220-pcs-nylon-lock-nuts-hex-lock-nut-assortment-kit)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-25*