--- 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: "213 zł" currency: PLN in_stock: true reviews_count: 5 category: "Rustark" url: https://www.desertcart.pl/products/502298767-450pcs-m3-m4-m5-m6-m8-allen-head-socket-hex store_origin: PL region: Poland --- # organized durable transparent box 450pcs 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:** 213 zł **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your toolkit with the ultimate hex screw arsenal — never get stuck again! ## 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?** 213 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/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:** Premium 12.9 class black alloy steel for superior hardness & corrosion resistance - • **Complete Size Spectrum:** 15 precision M3-M8 sizes to fit every project need - • **Effortless Organization:** Compact transparent box with segmented compartments for instant size access - • **Trusted Support & Quality:** Backed by responsive after-sales service and 4.6-star user satisfaction - • **Professional Grade Performance:** Fully threaded internal hex drive screws engineered for maximum grip and reliability ## Overview The Rustark 450Pcs Allen Head Socket Hex Grub Screw Set offers a comprehensive assortment of 15 metric sizes (M3 to M8) crafted from high-strength 12.9 class black alloy steel. Packaged in a durable transparent box with individual compartments, this set ensures quick size identification and organization. Designed for professional and DIY use, these fully threaded internal hex screws deliver exceptional corrosion resistance and mechanical reliability, making them ideal for precision repairs and assembly tasks across garages, workshops, and homes. ## 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: Allen Head Screw Set Review: Yay they were perfect !!!! ## 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 | #63,757 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #11 in Set Screws | | Brand | Rustark | | Colour | Black | | Compatible Groove Diameter | 8 Millimeters | | Country Of Origin | USA | | Customer Reviews | 4.6 out of 5 stars 724 Reviews | | Drive System | Internal Hex | | 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 | | Finish Types | Black | | Grade Rating | class_ 12.9 | | Head Style | Socket | | Head Type | Hex | | Item Diameter | 8 Millimetres | | Item Dimensions | 19.5 x 13 x 3.5 Centimeters | | Item Weight | 1 Pounds | | Item dimensions L x W x H | 19.5 x 13 x 3.5 Centimeters | | Manufacturer | Rustark | | Material | Alloy Steel | | Material Type | Alloy Steel | | 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 | | Set Screw Thread Type | Metric | | Size Name | 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 | | Unit Count | 1.0 Count | ## 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) ## 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 ### ⭐⭐⭐⭐⭐ Allen Head Screw Set *by L***N on 12 March 2026* ### ⭐⭐⭐⭐⭐ Yay they were perfect !!!! *by P***I on 29 January 2026* ### ⭐⭐⭐⭐⭐ Perfecto *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 - 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.pl/products/502298767-450pcs-m3-m4-m5-m6-m8-allen-head-socket-hex](https://www.desertcart.pl/products/502298767-450pcs-m3-m4-m5-m6-m8-allen-head-socket-hex) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-23*