---
product_id: 656158555
title: "300pcs Locknuts Assortment Kit M3 M4 M5 M6 M8 Hex Nuts Set 304 Stainless Steel Metric Assorted Self-Locking Nylon Insert Right Hand External Hex Drive with Plastic Box"
brand: "othmro"
price: "NT$1176"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/656158555-300pcs-locknuts-assortment-kit-m3-m4-m5-m6-m8-hex
store_origin: TW
region: Taiwan
---

# Self-locking nylon insert 300pcs versatile sizes Premium 304 stainless steel 300pcs Locknuts Assortment Kit M3 M4 M5 M6 M8 Hex Nuts Set 304 Stainless Steel Metric Assorted Self-Locking Nylon Insert Right Hand External Hex Drive with Plastic Box

**Brand:** othmro
**Price:** NT$1176
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock it down with confidence — the ultimate fastening upgrade!

## Quick Answers

- **What is this?** 300pcs Locknuts Assortment Kit M3 M4 M5 M6 M8 Hex Nuts Set 304 Stainless Steel Metric Assorted Self-Locking Nylon Insert Right Hand External Hex Drive with Plastic Box by othmro
- **How much does it cost?** NT$1176 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/656158555-300pcs-locknuts-assortment-kit-m3-m4-m5-m6-m8-hex)

## Best For

- othmro enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from corrosion-resistant 304 stainless steel for unmatched durability
- • **Organized & Ready:** Compact plastic storage box keeps your kit neat and accessible
- • **Secure Fit Every Time:** Nylon insert locks nuts firmly in place, eliminating loosening risks
- • **All-in-One Precision Kit:** 300 locknuts across 5 metric sizes for every project need
- • **Versatility Meets Professionalism:** Ideal for construction, automotive, and DIY projects alike

## Overview

This 300-piece locknut assortment features five standardized metric sizes (M3 to M8) made from premium 304 stainless steel with self-locking nylon inserts. Designed for durability and secure fastening, it comes neatly organized in a plastic storage box, perfect for professionals and DIY enthusiasts seeking reliable, corrosion-resistant hardware solutions.

## Description

300pcs Locknuts Assortment Kit M3 M4 M5 M6 M8 Hex Nuts Set 304 Stainless Steel Metric Assorted Self-Locking Nylon Insert Right Hand External Hex Drive with Plastic Box

## Features

- Size - M3-0.5mm, M4-0.7mm, M5-0.8mm, M6-1.0mm, M8-1.25mm; 5 standardized sizes to handle a wide range of applications
- Premium 304 Stainless Steel - Nylon insert lock nuts assortment kit crafted from top-tier 304 stainless steel, offering durability, corrosion resistance, and reliability
- Self-Locking Nylon Insert - Nylon insert designed to snugly fit against fasteners, preventing any risk of loosening during use
- 300PCS Metric Locknuts Set - M3 (105 packs), M4 (100 packs), M5 (50 packs), M6 (30 packs), M8 (15 packs) – ensuring you have the right amount for each project
- Convenient Storage Box - Stay organized effortlessly with the included storage box, making it easy to access the right size when needed, whether you're a hobbyist or a seasoned professional
- Versatile Adaptation Scenarios - From construction projects to automotive repairs, these lock nuts excel in various scenarios, making them indispensable for DIYers and professionals alike

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Othmro |
| Part number | MRO240325N-0006-FBA |
| Item Weight | 339 g |
| Product Dimensions | 1.3 x 1.3 x 0.8 cm; 339 g |
| Item model number | M3-M8 Locknuts Assortment |
| Size | M3, M4, M5, M6, M8 |
| Colour | Silver |
| Finish | Unfinished |
| Material | Stainless Steel |
| Shape | Hexagonal |
| Item Package Quantity | 1 |
| Number of Pieces | 300 |
| Head Style | Hex |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Stainless Steel
- **Fastener type:** Hex
- **Thread size:** M8 x 1.25
- **Exterior finish:** Stainless Steel
- **Colour:** Silver
- **Metal type:** Stainless Steel
- **Finish type:** Unfinished
- **Brand:** Othmro
- **Item dimensions L x W x H:** 13 x 13 x 8 millimetres
- **Item weight:** 339 Grams

## Images

![300pcs Locknuts Assortment Kit M3 M4 M5 M6 M8 Hex Nuts Set 304 Stainless Steel Metric Assorted Self-Locking Nylon Insert Right Hand External Hex Drive with Plastic Box - Image 1](https://m.media-amazon.com/images/I/71YBslQL2GL.jpg)

## Available Options

This product comes in different **Material Type** options.

## Frequently Bought Together

- 300pcs Locknuts Assortment Kit M3 M4 M5 M6 M8 Hex Nuts Set 304 Stainless Steel Metric Assorted Self-Locking Nylon Insert Right Hand External Hex Drive with Plastic Box
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**Shop now:** [https://www.desertcart.tw/products/656158555-300pcs-locknuts-assortment-kit-m3-m4-m5-m6-m8-hex](https://www.desertcart.tw/products/656158555-300pcs-locknuts-assortment-kit-m3-m4-m5-m6-m8-hex)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-02-05*