--- product_id: 606327175 title: "840 Pcs Stainless Steel Pan Head Hex Screws Nuts & Washers Assortment Kit" brand: "haochen" price: "$23.29" currency: USD in_stock: true reviews_count: 13 category: "Haochen" url: https://www.desertcart.us/products/606327175-840-pcs-stainless-steel-pan-head-hex-screws-nuts-washers store_origin: US region: United States of America --- # 8 size variations M2.5 x 4-25mm 840-piece comprehensive kit 304 stainless steel corrosion-resistant 840 Pcs Stainless Steel Pan Head Hex Screws Nuts & Washers Assortment Kit **Brand:** haochen **Price:** $23.29 **Availability:** ✅ In Stock ## Summary > 🔧 Screw it right, screw it tight — the pro’s choice for flawless fixes! ## Quick Answers - **What is this?** 840 Pcs Stainless Steel Pan Head Hex Screws Nuts & Washers Assortment Kit by haochen - **How much does it cost?** $23.29 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/606327175-840-pcs-stainless-steel-pan-head-hex-screws-nuts-washers) ## Best For - haochen enthusiasts ## Why This Product - Trusted haochen brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Premium 304 stainless steel resists rust, corrosion, and deformation for long-term durability. - • **All-in-One Professional Kit:** Includes 840 pieces—hex & pan head screws plus washers and nuts—perfectly organized for any project. - • **Ultimate Precision Assembly:** Uniform, clear threads ensure secure, slip-resistant fastening every time. - • **Versatile Application Powerhouse:** Ideal for furniture, electronics, DIY, machinery, and communication equipment repairs. - • **Effortless Organization & Portability:** Compact storage box keeps your fasteners sorted and ready to go—never lose a screw again. ## Overview The M2.5 Screw Set by HAOCHEN offers 840 high-grade 304 stainless steel fasteners in 8 sizes, combining hex and pan head screws with matching nuts and washers. Engineered for strength, corrosion resistance, and precision threading, this all-inclusive kit is tailored for professionals and DIY enthusiasts tackling furniture, electronics, machinery, and more. Packaged in a sleek organizer, it guarantees efficiency and reliability on every project. ## Description What are the advantages of our range of screws? ①The threaded screw set is made of high quality stainless steel, which has high hardness, strength and durability and is not easy to break or deform, corrosion resistant, rust resistant and durable. ② Use nuts and washers for more precise installation. Increased contact area reduces stress and protects parts and screws. ③ The thread line is uniform, the thread is clear, firm and reliable, the sealing is good during use, and it is not easy to deform or slip. ④ All hex screw sets are placed in a storage box, well organized and easy to store and carry. ⑤ Suitable for repairing furniture, precision instruments, machinery, electronic products, home appliances, DIY projects, communication equipment, etc. Features: Material: 304 stainless steel Color: Silver Size: M2.5 x 4/6/8/10/12/16/20/25mm Quantity: 840 pieces Package includes: 160 pieces - flat head screws (20 for each size) 160 Pieces - Hex Button Screws (20 for each size) 520 pieces - washers and nuts After-sales guarantee: If you have any questions about the stainless steel screw assortment, please contact us in time and we will resolve your questions as soon as possible. Warm Tips: Color may vary slightly from the online image due to your monitor's color settings. Please refer to the actual product. Thanks for your understanding. Review: Great Quality and Value – Perfect for DIY and 3D Printing! - I picked up this 440-piece M3 nuts and bolts set, and it’s been a fantastic addition to my workspace. The variety of lengths included makes it super versatile for all kinds of projects, from 3D printer upgrades to electronics and general DIY repairs. The quality is excellent—the bolts and nuts are well-machined with clean threads, making assembly smooth with no stripping or misalignment issues. The stainless steel construction ensures durability and rust resistance, so I don’t have to worry about long-term reliability. I also appreciate the organized storage case—everything is neatly sorted, making it easy to find the right size without rummaging through a messy pile of hardware. The assortment is well-balanced, with plenty of each size to cover most needs. If you’re looking for a high-quality, well-organized M3 hardware kit for 3D printing, PC builds, or general projects, this set is a must-have. Great value for the price! Review: A great selection - A good selection of sizes and good quality ## Features - Heavy-Duty and Long-Lasting Material: The m2.5 screw set is made of superior-quality stainless steel, boasting high hardness, strength and resilience. It's not prone to breaking or deforming, and is resistant to corrosion and rust, ensuring optimum performance in any setting. - Nuts and Washers: Nuts are affixed to bolts, screws, or studs, and they secure components by preventing axial movement of the connective material. Washers enhance the contact surface for more precise assembly, reducing stress and safeguarding components and screws. - Hex Head Screws Set: Featuring a hexagonal head button and pan head screws design, these screws embody uniform thread lines. The threads are clear, steadfast, and reliable, offering good resistance during usage, not prone to deformation or slippage, easy to install and remove. - Wide Range of Applications: These screws are perfect for furniture repairs, precision instruments, classification instruments, machines, electronic products, household appliances, DIY projects, locks, lamps, tools, communication equipment, construction, and more. - Package Details: Dimensions: M2.5 x 4/6/8/10/12/16/20/25 mm, 8 sizes; Pan head screws 20 pieces of each size, totaling 160 pieces; Hex head screws 20 pieces of each size, totaling 160 pieces; including 520 washers and nuts of corresponding size, a total of 840 pieces. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CNVP5P4C | | Best Sellers Rank | 3,518 in DIY & Tools ( See Top 100 in DIY & Tools ) 5 in Nut & Bolt Sets | | Brand | HAOCHEN | | Brand Name | HAOCHEN | | Colour | Silver | | Compatible Groove Diameter | 2.8 Millimeters | | Country Of Origin | China | | Customer Reviews | 4.6 out of 5 stars 2,815 Reviews | | EU Spare Part Availability Duration | 10 Years | | Fastener Type | Screw | | Fastener type | Screw | | Finish Types | Stainless Steel | | Grade Rating | industrial | | Item Diameter | 2.5 Millimetres | | Item Dimensions | 18 x 10 x 2.3 centimetres | | Item Shape | cylindrical | | Item dimensions L x W x H | 18 x 10 x 2.3 centimetres | | Manufacturer | HAOCHEN | | Material | Stainless Steel | | Material Type | Stainless Steel | | Model Number | 440 | | Number Of Items | 840 | | Number of Packs | 42 | | Number of Pieces | 840 | | Outside Diameter | 2.5 Millimetres | | Screw Head Style | Button, Hex, Pan, Socket Cap | | Set Name | M2.5 Screw Set | | Size | 440 | | Thread Size | M2.5 | | Unit Count | 840.0 count | ## Product Details - **Size:** 440 - **Colour:** Silver - **Material:** Stainless Steel - **Brand:** HAOCHEN - **Item dimensions L x W x H:** 18 x 10 x 2.3 centimetres ## Images ![840 Pcs Stainless Steel Pan Head Hex Screws Nuts & Washers Assortment Kit - Image 1](https://m.media-amazon.com/images/I/81EMamUlNvL.jpg) ![840 Pcs Stainless Steel Pan Head Hex Screws Nuts & Washers Assortment Kit - Image 2](https://m.media-amazon.com/images/I/71OK6rfUodL.jpg) ![840 Pcs Stainless Steel Pan Head Hex Screws Nuts & Washers Assortment Kit - Image 3](https://m.media-amazon.com/images/I/71zmtN-EwCL.jpg) ![840 Pcs Stainless Steel Pan Head Hex Screws Nuts & Washers Assortment Kit - Image 4](https://m.media-amazon.com/images/I/71Tq45K964L.jpg) ![840 Pcs Stainless Steel Pan Head Hex Screws Nuts & Washers Assortment Kit - Image 5](https://m.media-amazon.com/images/I/716nV3+MGiL.jpg) ## Available Options This product comes in different **Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great Quality and Value – Perfect for DIY and 3D Printing! *by M***T on 22 March 2025* I picked up this 440-piece M3 nuts and bolts set, and it’s been a fantastic addition to my workspace. The variety of lengths included makes it super versatile for all kinds of projects, from 3D printer upgrades to electronics and general DIY repairs. The quality is excellent—the bolts and nuts are well-machined with clean threads, making assembly smooth with no stripping or misalignment issues. The stainless steel construction ensures durability and rust resistance, so I don’t have to worry about long-term reliability. I also appreciate the organized storage case—everything is neatly sorted, making it easy to find the right size without rummaging through a messy pile of hardware. The assortment is well-balanced, with plenty of each size to cover most needs. If you’re looking for a high-quality, well-organized M3 hardware kit for 3D printing, PC builds, or general projects, this set is a must-have. Great value for the price! ### ⭐⭐⭐⭐⭐ A great selection *by I***R on 22 June 2026* A good selection of sizes and good quality ### ⭐⭐⭐⭐ Huge variety and good quality *by D***D on 6 October 2025* This M2.5 screw set has a massive selection of hex and pan head screws, perfect for electronics or small projects. The screws feel well-made and come neatly organized. Only wish there were a few more lengths included, but overall excellent value. ## Frequently Bought Together - M2.5 Screw Set, 840 Hex Head Screws with Pan Head, Cylinder Nuts and Washers Assortment Kit, Thread Screws Cylinder, Stainless Steel Screw Set - QWORK® 20 Packs 608zz ball bearing, Longboard Roller Skate Bearing, for skateboards, scooters, inline skates, 8mm x 22mm x 7mm - 100 Pcs M3 Threaded Insert M3 Heat Set Inserts 3D Printing Brass Nuts Knurled Twill Thread Nut Inserts for Loptop Automotive Plastic Shells --- ## 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.us/products/606327175-840-pcs-stainless-steel-pan-head-hex-screws-nuts-washers](https://www.desertcart.us/products/606327175-840-pcs-stainless-steel-pan-head-hex-screws-nuts-washers) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-29*