--- product_id: 596478380 title: "M3 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 801 Pcs Metric Allen Hex Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Fully Threaded, Black Oxide Finish" brand: "youyidun" price: "140.54 DT" currency: TND in_stock: true reviews_count: 8 category: "Youyidun" url: https://www.desertcart.tn/products/596478380-m3-hex-socket-head-cap-screws-bolts-and-nuts-washers store_origin: TN region: Tunisia --- # 801 pcs total - ultimate variety Black oxide finish - corrosion & wear resistant 12.9 grade alloy steel - industrial strength M3 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 801 Pcs Metric Allen Hex Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Fully Threaded, Black Oxide Finish **Brand:** youyidun **Price:** 140.54 DT **Availability:** βœ… In Stock ## Summary > πŸ”§ Lock in strength and style with every turn! ## Quick Answers - **What is this?** M3 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 801 Pcs Metric Allen Hex Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Fully Threaded, Black Oxide Finish by youyidun - **How much does it cost?** 140.54 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/596478380-m3-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 - β€’ **Comprehensive 801-Piece Kit:** Everything you need, organized and ready to go in a sturdy compartmentalized box. - β€’ **Versatile Application Range:** Perfect for professionals and DIYers across electronics, automotive, furniture, and mechanical repairs. - β€’ **Premium 12.9 Grade Alloy Steel:** Engineered for maximum hardness, wear resistance, and durability under extreme conditions. - β€’ **Precision Hex Socket Head Design:** Smooth, clean threads with anti-slip hex socket heads for effortless, secure fastening. - β€’ **Corrosion-Resistant Black Oxide Finish:** Keeps your fasteners rust-free and looking sharp, even in harsh environments. ## Overview This M3 Hex Socket Head Cap Screws, Nuts, and Washers Assortment Kit offers 801 meticulously crafted pieces made from high-grade 12.9 alloy steel with a durable black oxide finish. Designed for professionals and enthusiasts alike, it ensures corrosion resistance, high hardness, and precision fit for a wide range of industrial, automotive, and household applicationsβ€”all neatly organized in a portable storage box for instant access. ## Description M3 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 801 Pcs Metric Allen Hex Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Fully Threaded, Black Oxide Finish: 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 - Hex 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: Ideal for use by professionals, woodworkers, hobbyists, landlords, repairmen, and others. Suitable for electronic products, furniture installation and maintenance, household appliances, bicycles, automobiles, motorcycles and other vehicle maintenance, mechanical equipment, ship accessories and other fields - Package Includes: 801 pcs in total, including 40 pcs m3x6mm, 35 pcs m3x8mm, 35 pcs m3x10mm, 30 pcs m3x12mm, 30 pcs m3x16mm, 20 pcs m3x18mm, 20 pcs m3x20mm, 20 pcs m3x25mm, 20 pcs m3x30mm , 20 pcs m3x35mm, 265 pcs m3 nuts, 265 pcs m3 washers, rich in size and quantity, to meet your needs in different occasions and fields. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CMC3RCVX | | Best Sellers Rank | #13,586 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #95 in Socket Head Screws | | Brand | YOUYIDUN | | Color | Black | | Compatible Groove Diameter | 3 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 Shape | Cylindrical, Hexagonal | | Manufacturer | CHINA | | Material Type | Alloy Steel | | Maximum Shear Strength | 830 MPa | | Number of Pieces | 801 | | Screw Head Style | Socket | | Size Name | M3-801 | | Thread Size | M3 | | Unit Count | 15.1678 Ounce | ## Product Details - **Brand:** YOUYIDUN - **Color:** Black - **Fastener Type:** Socket Head - **Material:** Alloy Steel - **Size:** M3-801 ## Images ![M3 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 801 Pcs Metric Allen Hex Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Fully Threaded, Black Oxide Finish - Image 1](https://m.media-amazon.com/images/I/712Tji4M57L.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 - M3 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 801 Pcs Metric Allen Hex Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Fully Threaded, Black Oxide Finish - 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 - VGBUY 500Pcs M4 Screw Kit, Black M4 Screws (7 Sizes 6-30mm), Assorted Metric Nuts and Bolts Assortment Kit, Hex Socket Head Cap M4 x 6/8/12/16/20/25/30mm with Washer Nuts, 12.9 Grade --- ## 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.tn/products/596478380-m3-hex-socket-head-cap-screws-bolts-and-nuts-washers](https://www.desertcart.tn/products/596478380-m3-hex-socket-head-cap-screws-bolts-and-nuts-washers) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-04*