---
product_id: 502298767
title: "450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit with Internal Hex Drive - 12.9 Class Black Alloy Steel"
brand: "rustark"
price: "KD 19.10"
currency: KWD
in_stock: true
reviews_count: 5
category: "Rustark"
url: https://www.desertcart.com.kw/products/502298767-450pcs-m3-m4-m5-m6-m8-allen-head-socket-hex
store_origin: KW
region: Kuwait
---

# Organized durable transparent box 450 pcs versatile sizes 12.9 class alloy steel strength 450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit with Internal Hex Drive - 12.9 Class Black Alloy Steel

**Brand:** rustark
**Price:** KD 19.10
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your toolkit with the ultimate hex grub screw set — never get stuck without the right fit!

## Quick Answers

- **What is this?** 450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit with Internal Hex Drive - 12.9 Class Black Alloy Steel by rustark
- **How much does it cost?** KD 19.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/502298767-450pcs-m3-m4-m5-m6-m8-allen-head-socket-hex)

## Best For

- rustark enthusiasts

## Why This Product

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

## Key Features

- • **Unmatched Durability:** 12.9 class black alloy steel ensures maximum hardness and corrosion resistance
- • **Complete Size Spectrum:** 15 precision M3-M8 sizes to fit every project need
- • **Effortless Organization:** Compact transparent box with segmented compartments for quick size identification
- • **Trusted Support & Warranty:** Responsive after-sales service with guaranteed satisfaction to keep your projects on track
- • **Professional Grade Performance:** Fully threaded hex socket screws deliver reliable, slip-free fastening every time

## Overview

The Rustark 450Pcs Allen Head Socket Hex Grub Screw Set offers a comprehensive assortment of 15 metric sizes (M3 to M8) crafted from premium 12.9 class black alloy steel. Packaged in a durable transparent box with individual compartments, this set combines industrial-grade strength, corrosion resistance, and professional organization—perfect for millennial managers and DIY pros who demand reliability and efficiency in every repair or build.

## Description

Rustark 450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit [Specifications]: 1.Color: Black 2.Material: 12.9 Class Alloy Steel 3.Screw Sizes: M3 M4 M5 M6 M8 4.Quantity: 450pcs, come with durable transparent plastic box 5.Head Type: Hex Socket Screw [Why Choose Us]: Reliable After Sales Service & Worry-Free Purchase 12.9 Class Alloy Steel & Excellent Corrosion Resistance Perfect Packaging & Durable Transparent Plastic Box [Package Include]: M3x3 ...........................................40Pcs M3x4............................................40Pcs M3x10..........................................40Pcs M4x4............................................40Pcs M4x6............................................40Pcs M4x10..........................................40Pcs M5x5............................................30Pcs M5x8............................................30Pcs M5x12..........................................30Pcs M6x6.......................................20Pcs M6x8.......................................20Pcs M6x10....................................20Pcs M8x8.......................................20Pcs M8x12.....................................20Pcs M8x16.....................................20Pcs 450Pcs in total, package in durable transparent box

Review: Conforme a la description, utilisés pour remplacer les vis d'origine d'engrenages dont le serrage n'était plus possible vu le jeu avec la clé Allen.
Review: product worked and the delivery was great !!!!

## Features

- ✔SCREW SIZES --- M3 x 3, M3 x 4, M3 x 10, M4 x 4, M4 x 6, M4 x 10, M5 x 5, M5 x 8, M5 x 12, M6 x 6, M6 x 8, M6 x 10, M8 x 8, M8 x 12, M8 x 16, 15sizes in total, you can choose the suitable to meet your different needs.
- ✔PACKAGE INCLUDING --- You will get 450pcs 15 sizes headless cup points, package in durable transparent plastic box with many small squares, it is very convenience for you to distinguish each size.
- ✔HIGH QUALITY --- Made of 12.9 class black alloy steel internal hex drive cup-point with strong corrosion resistance property, durable and sturdy, has strong hardness and does not fall off easily, you can use it for along time.
- ✔WIDE APPLICATIONS --- Widely used in garages, shops or faucets, door handles around the home, lamps, knobs, plumbers and other minor repairs.
- ✔WORRY-FREE PURCHASE --- We will provide you with reliable after-sales service. If you have any questions with our product, please feel free to contact us, I will reply you within 12 hours and we will solve them for you soon. Please set your heart at rest to purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QFVRS77 |
| Best Sellers Rank | #161,823 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #59 in Set Screws |
| Brand | Rustark |
| Colour | Black |
| Compatible groove diameter | 8 Millimeters |
| Country of Origin | USA |
| Exterior Finish | Black |
| Fastener Size | M3 x 3mm, M3 x 4mm, M3 x 10mm, M4 x 4mm, M4 x 6mm, M4 x 10mm, M5 x 5mm, M5 x 8mm, M5 x 12mm, M6 x 6mm, M6 x 8mm, M6 x 10mm, M8 x 8mm, M8 x 12mm, M8 x 16mm |
| Fastener Type | Machine Screw |
| Head Style | Socket |
| Head Type | Hex |
| Item Diameter | 8 Millimetres |
| Item Weight | 454 g |
| Item model number | R-jimi screw |
| Manufacturer | Rustark |
| Material | Alloy Steel |
| Maximum Shear Strength | 200 N/mm² |
| Metal Type | Alloy Steel |
| Net Quantity | 1.0 Count |
| Number of Pieces | 450 |
| Set Screw Thread Type | Metric |
| Size | M3, M4, M5, M6, M8 |
| Thread Class | 12.9 |
| Thread Coverage | Fully Threaded |
| Thread Size | M3, M4, M5, M6, M8 |
| Thread Style | Metric Fully Threaded |
| Thread Type | Metric |
| UPC | 079986235331 799862353316 |

## Product Details

- **Exterior Finish:** Black
- **Head Style:** Socket
- **Item dimensions L x W x H:** 19.5 x 13 x 3.5 Centimeters
- **Material:** Alloy Steel
- **Thread Size:** M3, M4, M5, M6, M8

## Images

![450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit with Internal Hex Drive - 12.9 Class Black Alloy Steel - Image 1](https://m.media-amazon.com/images/I/71G6ekH1apL.jpg)
![450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit with Internal Hex Drive - 12.9 Class Black Alloy Steel - Image 2](https://m.media-amazon.com/images/I/61LWz9ivgiL.jpg)
![450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit with Internal Hex Drive - 12.9 Class Black Alloy Steel - Image 3](https://m.media-amazon.com/images/I/61alTJ2GbqL.jpg)
![450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit with Internal Hex Drive - 12.9 Class Black Alloy Steel - Image 4](https://m.media-amazon.com/images/I/61hv9YAbtmL.jpg)
![450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit with Internal Hex Drive - 12.9 Class Black Alloy Steel - Image 5](https://m.media-amazon.com/images/I/61TNmiq1erL.jpg)

## Available Options

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

## Questions & Answers

**Q: Any idea pitch sizes? Metric come in 1.0, 1.25 etc.**
A: The ones I purchased were standard coarse pitches

**Q: What’s the pitch of these set screws ?**
A: Standard coarse pitches

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by T***N on 15 December 2025*

Conforme a la description, utilisés pour remplacer les vis d'origine d'engrenages dont le serrage n'était plus possible vu le jeu avec la clé Allen.

### ⭐⭐⭐⭐⭐ Review
*by P***I on 29 January 2026*

product worked and the delivery was great !!!!

### ⭐⭐⭐⭐⭐ Review
*by C***N on 17 July 2025*

Todo ok

## Frequently Bought Together

- Rustark 450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit with Internal Hex Drive - 12.9 Class Black Alloy Steel
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- Kadrick Metric Screws Assortment - 1400 Pcs M4 Nuts Washers Kit, M4x6MM-40MM, Hex Socket Button & Cap Head Machine Bolts, 12.9 & 10.9 Grade Alloy Steel, Black for 3D Printing

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**Shop now:** [https://www.desertcart.com.kw/products/502298767-450pcs-m3-m4-m5-m6-m8-allen-head-socket-hex](https://www.desertcart.com.kw/products/502298767-450pcs-m3-m4-m5-m6-m8-allen-head-socket-hex)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-28*