--- product_id: 32080067 title: "125 Pcs M3 x 4/6/8/10/12 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment Kit, Black Oxide Finish" brand: "iexcell" price: "€ 20.07" currency: EUR in_stock: true category: "Iexcell" url: https://www.desertcart.hr/products/32080067-125-pcs-m3-x-4-6-8-10-12-alloy store_origin: HR region: Croatia --- # 1500 pcs versatile kit Grade 12.9 alloy steel strength Organized storage box 125 Pcs M3 x 4/6/8/10/12 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment Kit, Black Oxide Finish **Brand:** iexcell **Price:** € 20.07 **Availability:** βœ… In Stock ## Summary > πŸ”§ Elevate your projects with industrial-grade precision and unbeatable versatility! ## Quick Answers - **What is this?** 125 Pcs M3 x 4/6/8/10/12 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment Kit, Black Oxide Finish by iexcell - **How much does it cost?** € 20.07 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/32080067-125-pcs-m3-x-4-6-8-10-12-alloy) ## Best For - iexcell enthusiasts ## Why This Product - Trusted iexcell brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **All-in-One Convenience:** Includes screws, nuts, washers, and a hex key in a sturdy, easy-access storage box - β€’ **Future-Proof Your Toolbox:** Bulk kit ensures you’re always ready for any repair, upgrade, or custom buildβ€”never run out again - β€’ **Complete Precision Assortment:** 1500 pieces covering 13 sizes from 4mm to 50mm length for every project need - β€’ **Professional Grade Fit & Finish:** Fully threaded M3 screws with precise 0.5mm pitch and hex socket heads for secure fastening - β€’ **Unmatched Strength & Durability:** Grade 12.9 alloy steel with 1220N/mmΒ² tensile strength and black oxide finish for corrosion resistance ## Overview The iexcell 1500 Pcs M3 Hex Socket Head Cap Screw Assortment Kit offers a comprehensive selection of high-strength Grade 12.9 alloy steel screws, nuts, and washers with a sleek black oxide finish. Designed for professionals and enthusiasts alike, this kit covers 13 sizes from 4mm to 50mm length, all fully threaded with a 0.5mm pitch. Packaged in a durable, organized storage box and including a hex key, it ensures reliable, corrosion-resistant fastening for a wide range of industrial, DIY, and tech applications. ## Description βœ” Meets/exceeds: DIN 912 βœ” Screw Head Style: Socket Cap, Head Diameter 5.5 mm, Head Height 3.0 mm; Screw Drive Style: Internal Hex Drives, Known as Hex Socket Drives, Hex Size: 2.5 mm βœ” Material of Screws: Alloy Steel 40Cr, Black Oxide Finish; Strength Grade of Screws: 12.9 Grade, Hardness: HRC 39-44, Tensile Strength: 1220N/mmΒ² βœ” Material of hex key: chrome-vanadium steel, nickel plated, higher strength and anti-rust βœ” Rust proof of screws: black oxide finish with anti-rust oil βœ” Easy to store: these screws and hex key come in an easy-use storage case [ Sizes ]-----[ Thread Length ]-----[ Total Length ] M3 x 4 ------ 4 mm/0.16"------- 7 mm/0.28" M3 x 6 ------ 6 mm/0.24"------- 9 mm/0.35" M3 x 8 ------ 8 mm/0.31"------- 11 mm/0.43" M3 x 10 ----- 10 mm/0.39"------ 13 mm/0.51" M3 x 12 ----- 12 mm/0.47"------ 15 mm/0.59" [ Package Contains ] M3 x 4------25 Pcs M3 x 6------25 Pcs M3 x 8------25 Pcs M3 x 10------25 Pcs M3 x 12------25 Pcs Hex Key -----1Pcs [ About Internal Hex drives ] Internal Hex drives, also known as Hex Socket Drives, have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen Wrench [ About Socket Cap Head ] Socket Cap Head , also known as Allen head , have a recessed drive, and are commonly used when there is not enough clearance for a conventional wrench or socket. They are fastened with an Allen wrench, which is also called a hex wrench or hex key ## Features - βœ” Includes 125 Pcs, 5 Sizes, M3 Hex Socket Head Cap Screws, Thread Size ( Diameter) 3 mm, Thread Pitch 0.5 mm, Thread Length From 4 mm to 12 mm: M3 x 4, M3 x 6, M3 x 8, M3 x 10, M3 x 12 - βœ” Material of Screws: Alloy Steel 40Cr, Black Oxide Finish; Strength Grade of Screws : 12.9 Grade, Hardness: HRC 39-44, Tensile Strength: 1220N/mmΒ² - βœ” Includes 1 Pcs Hex Key, Hex Size: 2.5 mm, to Drive These Screws Conveniently and Easily - βœ” Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength, Anti-rust - βœ” Package: 125 Pcs M3 Hex Socket Head Cap Screws and 1 Pcs Hex Key Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01I74TTWU | | Best Sellers Rank | #71,877 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #446 in Socket Head Screws | | Brand | iexcell | | Color | Black | | Compatible Groove Diameter | 3 millimeters | | Customer Reviews | 4.7 4.7 out of 5 stars (1,657) | | Drive System | Internal Hex | | Exterior Finish | Black Oxide | | Fastener Size | M3 | | Fastener Type | Hex Socket Head Cap Screw | | Finish Types | Black Oxide | | Grade Rating | Grade 12.9 | | Head Type | Socket Cap | | Item Diameter | 3 millimeters | | Item Hardness | 12.9 grade | | Manufacturer | iExcell | | Manufacturer Grade | Grade 12.9 | | Material Type | Alloy Steel | | Maximum Shear Strength | 732 N/mmΒ² | | Metal Type | Alloy Steel | | Model | M30412100 | | Number Of Items | 125 | | Number of Pieces | 125 | | Outside Diameter | 3 millimeters | | Part Number | M30412100 | | Screw Head Style | Socket | | Set Name | iexcell 125 Pcs M3 Hex Socket Head Cap Screw Assortment Kit | | Set Screw Thread Type | Metric | | Size Name | M3 x 4/6/8/10/12mm | | Thread Class | 6g | | Thread Coverage | Fully Threaded | | Thread Size | M3 | | Thread Style | Right Hand | | Thread Type | Metric | | UPC | 601629956749 | | Unit Count | 1 Count | ## Product Details - **Exterior Finish:** Black Oxide - **Head Style:** Socket - **Manufacturer Grade:** Grade 12.9 - **Material:** Alloy Steel - **Thread Size:** M3 ## Images ![125 Pcs M3 x 4/6/8/10/12 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment Kit, Black Oxide Finish - Image 1](https://m.media-amazon.com/images/I/41DGQknTPyL.jpg) ![125 Pcs M3 x 4/6/8/10/12 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment Kit, Black Oxide Finish - Image 2](https://m.media-amazon.com/images/I/41S-eodH0+L.jpg) ![125 Pcs M3 x 4/6/8/10/12 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment Kit, Black Oxide Finish - Image 3](https://m.media-amazon.com/images/I/312s6t7SOAL.jpg) ![125 Pcs M3 x 4/6/8/10/12 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment Kit, Black Oxide Finish - Image 4](https://m.media-amazon.com/images/I/31ue455CatL.jpg) ![125 Pcs M3 x 4/6/8/10/12 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment Kit, Black Oxide Finish - Image 5](https://m.media-amazon.com/images/I/31HvuokhlUL.jpg) ## Available Options This product comes in different **Size** options. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/32080067-125-pcs-m3-x-4-6-8-10-12-alloy](https://www.desertcart.hr/products/32080067-125-pcs-m3-x-4-6-8-10-12-alloy) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-11-07*