---
product_id: 176355637
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: "£15.59"
currency: GBP
in_stock: true
reviews_count: 13
category: "Rustark"
url: https://www.desertcart.co.uk/products/176355637-450pcs-m3-m4-m5-m6-m8-allen-head-socket-hex
store_origin: GB
region: United Kingdom
---

# 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:** £15.59
**Availability:** ✅ In Stock

## Summary

> 🔧 Screw it right, every time — the ultimate hex grub kit for pros!

## 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?** £15.59 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/176355637-450pcs-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

- • **Ready-to-Use Kit:** 450 screws neatly sorted in a sturdy transparent box for instant access and easy inventory.
- • **Reliable Support:** Responsive after-sales service guarantees peace of mind with every purchase.
- • **Premium Alloy Steel:** 12.9 class black alloy steel ensures unmatched hardness and corrosion resistance.
- • **Universal Application:** Perfect for professional repairs, DIY projects, and maintenance across garages, workshops, and homes.
- • **Complete Size Spectrum:** 15 metric sizes from M3 to M8 cover every precision need.

## Overview

The Rustark 450Pcs Allen Head Socket Hex Grub Screw Set offers a comprehensive assortment of 15 metric sizes (M3 to M8) crafted from durable 12.9 class black alloy steel. Packaged in a transparent, compartmentalized box, this kit delivers high hardness, corrosion resistance, and full-thread coverage, making it an essential toolkit upgrade for professionals and DIY enthusiasts seeking reliability and precision.

## 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: Great set to have for stripped screws! - This is a great kit to have in your tool box, I’m always working on bikes with stripped bolts and these are great replacements without having to order specific screws for each bike.
Review: Great assortment kit of metric set screws - Great assortment of some hard to find sizes. Saves many trips to the hardware store. Get a set of metric sizes and SAE sizes and you set.

## 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 | #132,701 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #257 in Set Screws #368 in Screw & Bolt Assortment Sets |
| Brand | Rustark |
| Color | Black |
| Compatible Groove Diameter | 8 Millimeters |
| Customer Reviews | 4.6 4.6 out of 5 stars (756) |
| Drive System | Internal Hex |
| Exterior Finish | Stainless Steel |
| Fastener Size | M3 x 10 |
| Fastener Type | Socket Screws |
| Finish Types | Black |
| Grade Rating | class_ 12.9 |
| Head Type | Socket |
| Item Diameter | 8 Millimeters |
| Item Dimensions | 7.68 x 5.12 x 1.38 inches |
| Item Weight | 1 Pounds |
| Manufacturer | Rustark |
| Material Type | Plastic |
| Maximum Shear Strength | 200 N/mm² |
| Metal Type | Alloy Steel |
| Model | R-jimi screw |
| Number of Pieces | 450 |
| Part Number | R-jimi screw |
| Screw Head Style | Socket |
| Screw Point Style | head |
| Set Name | Rustark 450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit |
| Set Screw Thread Type | Metric |
| Size Name | M3, M4, M5, M6, M8 |
| Thread Class | 12.9 |
| Thread Coverage | Fully Threaded |
| Thread Style | Fully Threaded Metric |
| Thread Type | Metric |
| UPC | 079986235331 799862353316 |
| Unit Count | 1.0 Count |

## Product Details

- **Exterior Finish:** Stainless Steel
- **Head Style:** Socket
- **Item dimensions L x W x H:** 7.68 x 5.12 x 1.38 inches
- **Material:** Plastic
- **Point Style:** head

## 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)

## 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

### ⭐⭐⭐⭐⭐ Great set to have for stripped screws!
*by J***O on May 28, 2025*

This is a great kit to have in your tool box, I’m always working on bikes with stripped bolts and these are great replacements without having to order specific screws for each bike.

### ⭐⭐⭐⭐⭐ Great assortment kit of metric set screws
*by J***. on July 2, 2025*

Great assortment of some hard to find sizes. Saves many trips to the hardware store. Get a set of metric sizes and SAE sizes and you set.

### ⭐⭐⭐⭐⭐ Quality parts
*by J***N on December 26, 2025*

Good quality parts and had exactly what I needed and was shipped fast. Thanks!

## 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
- HELIFOUNER 540 Pieces M3 x 6mm /8mm /12mm /16mm /20mm /25mm /30mm, Button Head Socket Cap Screws Bolts Washers Nuts Kit, 304 Stainless Steel
- 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.uk/products/176355637-450pcs-m3-m4-m5-m6-m8-allen-head-socket-hex](https://www.desertcart.co.uk/products/176355637-450pcs-m3-m4-m5-m6-m8-allen-head-socket-hex)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-15*