---
product_id: 491330173
title: "100 PCS M3 x 0.5mm Nylon Insert Nuts Locknuts, Self-locking Nut 304 Stainless Steel, Hexagon Lock Nut with Storage Box for Lock Washers"
brand: "speedwox"
price: "€ 13.57"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/491330173-100-pcs-m3-x-0-5mm-nylon-insert-nuts-locknuts
store_origin: SK
region: Slovakia
---

# Includes handy storage box for organization 100 pcs M3 x 0.5mm precision nuts 304 stainless steel rust-resistant strength 100 PCS M3 x 0.5mm Nylon Insert Nuts Locknuts, Self-locking Nut 304 Stainless Steel, Hexagon Lock Nut with Storage Box for Lock Washers

**Brand:** speedwox
**Price:** € 13.57
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in reliability, unlock your project’s potential!

## Quick Answers

- **What is this?** 100 PCS M3 x 0.5mm Nylon Insert Nuts Locknuts, Self-locking Nut 304 Stainless Steel, Hexagon Lock Nut with Storage Box for Lock Washers by speedwox
- **How much does it cost?** € 13.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/491330173-100-pcs-m3-x-0-5mm-nylon-insert-nuts-locknuts)

## Best For

- speedwox enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Premium 304 stainless steel resists rust and corrosion for long-term durability
- • **Organized & Ready:** Comes with a sleek storage box to keep your fasteners sorted and accessible
- • **Shockproof Security:** Nylon insert locknuts provide superior vibration resistance and self-locking reliability
- • **Versatile Applications:** Ideal for automotive, machinery, shipbuilding, and sports equipment—engineered for professionals
- • **Precision Fit, Every Time:** M3 x 0.5mm pitch ensures seamless compatibility with your projects

## Overview

The SPEEDWOX 100 PCS M3 x 0.5mm Nylon Insert Locknuts are crafted from rust-resistant 304 stainless steel with a nylon insert for enhanced vibration resistance. Perfectly sized for precision fastening, these self-locking hex nuts come in a convenient storage box, making them an essential upgrade for professionals in automotive, machinery, and construction sectors.

## Description

SPEEDWOX 100 PCS M3 x 0.5mm Nylon Insert Nuts Locknuts, Self-locking Nut 304 Stainless Steel, Hexagon Lock Nut with Storage Box for Lock Washers

## Features

- 【PACKAGE INCLUDES】 100 Pcs M3 x 0.5mm Nylon nuts; 1 Pcs storage box.
- 【APPLICATION】 Can be widely used in automobile, construction machinery, shipbuilding, machinery, electric appliance, automobile, sports equipment and etc.
- 【MATERIAL】 Made of 304 stainless steel, rust resistance and stable to use. Nylon insert, greatly enhancing the function of release and shockproof.
- 【Size】 Hole diameter: 3mm/ 0.118"; Pitch:0.5mm/0.020".
- 【CAUTION】Please confirm the size before buying. Please inspect before every use. Do not use if damaged.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | SPEEDWOX |
| Part number | SLNSM3-1231 |
| Item Weight | 40 g |
| Product Dimensions | 0.54 x 0.54 x 0.4 cm; 40 g |
| Manufacturer reference | SLNSM3-1231 |
| Size | M3 |
| Material | Stainless Steel |
| Number of Pieces | 100 |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Stainless Steel
- **Fastener type:** Insert, Lock
- **Thread size:** M 3
- **Exterior finish:** Stainless Steel
- **Metal type:** Stainless Steel
- **Brand:** SPEEDWOX
- **Item dimensions L x W x H:** 5 x 5 x 4 millimetres
- **Inside-thread size:** M3
- **Thread style:** Fine
- **Thread coverage:** Fully Threaded

## Images

![100 PCS M3 x 0.5mm Nylon Insert Nuts Locknuts, Self-locking Nut 304 Stainless Steel, Hexagon Lock Nut with Storage Box for Lock Washers - Image 1](https://m.media-amazon.com/images/I/71uSgfNlWtL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.sk/products/491330173-100-pcs-m3-x-0-5mm-nylon-insert-nuts-locknuts](https://www.desertcart.sk/products/491330173-100-pcs-m3-x-0-5mm-nylon-insert-nuts-locknuts)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-11-05*