---
product_id: 378734961
title: "100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer"
brand: "binifimux"
price: "₨403"
currency: SCR
in_stock: true
category: "Binifi Mux"
url: https://www.desertcart.sc/products/378734961-100pcs-m3-x-0-5mm-lock-nuts-304-stainless-steel
store_origin: SC
region: Seychelles
---

# 100 pcs premium lock nuts 0.5mm fine thread pitch 304 stainless steel durability 100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer

**Brand:** binifimux
**Price:** ₨403
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock it down with confidence — the ultimate self-locking nuts for pros who settle for nothing less!

## Quick Answers

- **What is this?** 100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer by binifimux
- **How much does it cost?** ₨403 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/378734961-100pcs-m3-x-0-5mm-lock-nuts-304-stainless-steel)

## Best For

- binifimux enthusiasts

## Why This Product

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

## Key Features

- • **Sleek Silver Finish:** Polished stainless steel adds a professional, clean look to your assemblies.
- • **Bulk Pack for Pro Projects:** 100-piece set keeps your workshop stocked and ready for any RC model, 3D printer, or DIY build.
- • **Unmatched Locking Security:** Nylon insert creates resilient friction to prevent loosening under vibration or stress.
- • **Industrial-Grade Durability:** Crafted from corrosion-resistant 304 stainless steel for long-lasting strength and reliability.
- • **Precision Fit for M3 Screws:** Exact 3mm hole diameter and 0.5mm pitch ensure seamless compatibility with standard metric fasteners.

## Overview

This 100-piece set of M3 x 0.5mm lock nuts features self-locking nylon inserts embedded in durable 304 stainless steel. Designed for precision and reliability, these silver hex nuts provide superior resistance to loosening, making them ideal for RC models, 3D printers, and professional-grade projects requiring secure fastening and corrosion resistance.

## Description

Nylon lock nut is a round nut, and in its outer open four small slot, you can use the crescent wrench screw on the stud, the lock nut should be equipped with a shaft Washer, it can be used to make the small groove on the stud and its peripheral groove relative to the fixed, to prevent its loose. Bolt thread on the nuts embedded in the nylon extrusion, making the nylon deformation, after installation, the nylon and thread completely squeeze contact, the extruded nylon to the bolt A lot of resilience, increased friction, so that the bolt is not easy to loose.

## Features

- - Material: 304 Stainless Steel ; - Weight: 50g;
- - Hole diameter: 3mm/ 0.12"; - Pitch: 0.5mm;
- - Package: 100 x M3 Nylon nuts; - Color: Silver;
- - Used for: matching screws & matching bolts.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075ZZW7VL |
| Best Sellers Rank | #181,177 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #79 in Locknuts |
| Brand | binifiMux |
| Colour | Silver |
| Compatible Groove Diameter | 3 Millimeters |
| Country Of Origin | USA |
| Customer Reviews | 4.8 4.8 out of 5 stars (880) |
| Drive Style | External Hex |
| Exterior Finish | Stainless Steel |
| Fastener Type | Hex, Lock |
| Finish Types | Silver |
| Grade Rating | Grade 8.8 / A2-70 |
| Included Components | M3 Nylock |
| Inside Thread Size | M3 |
| Item Diameter | 3 Millimetres |
| Manufacturer | binifiMux |
| Material Type | Stainless Steel Nylon |
| Metal Type | Stainless Steel |
| Number Of Items | 100 |
| Number of Packs | 1 |
| Number of Pieces | 100 |
| Outside Diameter | 3 Millimetres |
| Part Number | XXF-117 |
| Screw Head Style | Hex |
| Set Name | 100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts |
| Size Name | small |
| Thread Class | ISO |
| Thread Coverage | Unthreaded |
| Thread Size | M3 |
| Thread Style | Right Hand |
| Thread Type | Metric 3mm |
| UPC | 613852252062 |
| Unit Count | 100.0 Count |

## Product Details

- **Brand:** binifiMux
- **Colour:** Silver
- **Exterior Finish:** Stainless Steel
- **Fastener Type:** Hex, Lock
- **Finish Type:** Silver
- **Inside Thread Size:** M3
- **Material:** Stainless Steel Nylon
- **Metal Type:** Stainless Steel
- **Thread Size:** M3
- **Thread Type:** Metric 3mm

## Images

![100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer - Image 1](https://m.media-amazon.com/images/I/51oGVlHerZL.jpg)
![100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer - Image 2](https://m.media-amazon.com/images/I/51-D1sXOKRL.jpg)
![100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer - Image 3](https://m.media-amazon.com/images/I/41VlrrIlcWL.jpg)
![100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer - Image 4](https://m.media-amazon.com/images/I/41IxuAJzjhL.jpg)
![100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer - Image 5](https://m.media-amazon.com/images/I/413VyxRUSiL.jpg)

## Questions & Answers

**Q: Can anyone tell me whether or not these are endorsed by Dee?**
A: sorry no

**Q: Will these hold up in a engine bay? I need them for my emblem I am reinstalling.**
A: I dont see why not. They are 304 stainless steel...

**Q: Does anyone have the height, and width (flat to flat part) of these?**
A: width of flat to flat is 6mm. 
height is 4mm.

**Q: Will these work with m3x55mm screws?**
A: yes it fit coz thread is metric 3mm with same pitch 0.5mm.

## Frequently Bought Together

- binifiMux 100Pcs M3 x 0.5mm 304 Stainless Steel Self-Lock Nylon Inserted Hex Lock Nuts, Self Clinching Nuts
- uxcell 100Pcs M3x6mmx0.5mm Stainless Steel Metric Round Flat Washer for Bolt Screw

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-10-04*