--- product_id: 594426602 title: "M4 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 405 Pcs Metric Allen Hex Socket Drive Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Finish, Fully Threaded" brand: "youyidun" price: "₱2097" currency: PHP in_stock: true reviews_count: 8 category: "Youyidun" url: https://www.desertcart.ph/products/594426602-m4-hex-socket-head-cap-screws-bolts-and-nuts-washers store_origin: PH region: Philippines --- # 405 pcs all-in-one kit Organized transparent storage 12.9 grade alloy steel strength M4 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 405 Pcs Metric Allen Hex Socket Drive Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Finish, Fully Threaded **Brand:** youyidun **Price:** ₱2097 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your build game with the ultimate M4 fastener arsenal! ## Quick Answers - **What is this?** M4 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 405 Pcs Metric Allen Hex Socket Drive Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Finish, Fully Threaded by youyidun - **How much does it cost?** ₱2097 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/594426602-m4-hex-socket-head-cap-screws-bolts-and-nuts-washers) ## Best For - youyidun enthusiasts ## Why This Product - Trusted youyidun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pro-Grade Multi-Use:** Ideal for electronics, furniture, automotive, and DIY projects—trusted by professionals and hobbyists alike. - • **Unmatched Durability:** Premium 12.9 grade alloy steel resists rust, wear, and high temps for long-lasting performance. - • **All-in-One Versatility:** 405-piece assortment covers multiple sizes with nuts, washers, and wrench for any project. - • **Effortless Organization:** Transparent compartmentalized case keeps your fasteners sorted and ready to go—no more lost parts. - • **Precision Fit Every Time:** Fully threaded M4 hex socket screws with smooth, clean threads ensure slip-free, secure fastening. ## Overview This M4 Hex Socket Head Cap Screws Kit includes 405 high-strength, fully threaded alloy steel pieces with black oxide finish, stored in a durable transparent case. Designed for precision and durability, it suits a wide range of professional and DIY applications, ensuring reliable fastening and easy organization. ## Description M4 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 405 Pcs Metric Allen Hex Socket Drive Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Finish, Fully Threaded: desertcart.com: Industrial & Scientific Review: Great assortment - Lots of bolts and nuts Review: A+ - Just what I needed at a reasonable cost ## Features - Exquisite Material: The hex socket head cap screws bolts and nuts set are made of high-quality 12.9 grade alloy steel, which has good corrosion resistance, high temperature resistance, wear resistance, high hardness, oxidation resistance and durability, not easy to break or deform, and resistant to rust , can maintain good performance in harsh environments - Socket Head Cap Design: Tight threads are clean, accurate, and smooth, not prone to warping during rolling. The Socket head cap design can be easily installed with a hexagonal wrench, and it is not easy to slip out. The combination of Washers and hex nuts can increase the contact area, reduce pressure, prevent loosening and protect parts - Easy to Store: All socket head screws and nuts and flat washers set are stored in a transparent and sturdy storage box with compartments. Hex socket cap head screws are stored separately, well organized, easy to carry and find. There is no confusion during transportation and it is convenient to use - Wide Range of Applications: Suitable for electronic products, furniture installation and maintenance, household appliances, bicycles, automobiles, motorcycles and other vehicle maintenance, mechanical equipment, ship accessories and other fields. Ideal for use by professionals, woodworkers, hobbyists, landlords, repairmen, and others - Package Includes: 405 pcs in total, including 20 pcs M4x6mm, 20 pcs M4x8mm, 20 pcs M4x10mm, 15 pcs M4x12mm, 15 pcs M4x14mm, 10 pcs M4x16mm, 10 pcs M4x18mm, 10 pcs M4x20mm, 14 pcs M4x25mm , 10 pcs M4x30mm, 130 pcs M4 nuts, 130 pcs M4 washers, 1 x wrenches，rich in size and quantity, to meet your needs in different occasions and fields. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CMC6H2HG | | Best Sellers Rank | #13,589 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #95 in Socket Head Screws | | Brand | YOUYIDUN | | Color | Black | | Compatible Groove Diameter | 4 Millimeters | | Customer Reviews | 4.7 4.7 out of 5 stars (206) | | Fastener Type | Socket Head | | Finish Types | Black Oxide | | Grade Rating | 12.9 | | Item Diameter | 4 Millimeters | | Item Shape | Hexagonal | | Manufacturer | CHINA | | Material Type | Alloy Steel | | Number of Pieces | 520 | | Screw Head Style | Socket | | Size Name | M4-405 | | Thread Size | M4 | | Unit Count | 15.1678 Ounce | ## Product Details - **Brand:** YOUYIDUN - **Color:** Black - **Fastener Type:** Socket Head - **Material:** Alloy Steel - **Size:** M4-405 ## Images ![M4 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 405 Pcs Metric Allen Hex Socket Drive Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Finish, Fully Threaded - Image 1](https://m.media-amazon.com/images/I/81V042yqIKL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great assortment *by J***Y on March 16, 2026* Lots of bolts and nuts ### ⭐⭐⭐⭐⭐ A+ *by C***Y on January 12, 2026* Just what I needed at a reasonable cost ### ⭐⭐⭐⭐⭐ Good assortment. *by S***S on February 27, 2026* Very nice set... just what I needed! ## Frequently Bought Together - M4 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 405 Pcs Metric Allen Hex Socket Drive Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Finish, Fully Threaded - Kadrick Metric Screw Assortment, 660 Pcs M2 Screws, M2*4mm/6mm/8mm/10mm/12mm/16mm,12.9 Grade Alloy Steel, Metric Hex Socket Head Cap Screws Nuts Washers Kit, Black Zinc Plated Anti Rust Upgrade - HELIFOUNER 200 Pieces M4 x 30mm /35mm /40mm /45mm /50mm, Hex Socket Head Cap Metric Screws Bolts Washers Nuts Kit, 12.9 Grade Alloy Steel, Fully Threaded, Black --- ## 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.ph/products/594426602-m4-hex-socket-head-cap-screws-bolts-and-nuts-washers](https://www.desertcart.ph/products/594426602-m4-hex-socket-head-cap-screws-bolts-and-nuts-washers) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-05-19*