--- product_id: 809167091 title: "650pcs M3 Countersunk Screws Assortment Kit, M3x4/6/8/10/12/16/20 mm Phillips Flat Head Bolts and Nut Assorted Set, Machine Screws Grade 8.8 Alloy Steel Black Zinc Plated" brand: "fgruh" price: "3619 som" currency: KGS in_stock: true reviews_count: 8 category: "Fgruh" url: https://www.desertcart.kg/products/809167091-650pcs-m3-countersunk-screws-assortment-kit-m3x4-6-8-10 store_origin: KG region: Kyrgyzstan --- # 7 metric sizes from 4mm to 20mm 650pcs total for ultimate versatility Grade 8.8 alloy steel for max strength 650pcs M3 Countersunk Screws Assortment Kit, M3x4/6/8/10/12/16/20 mm Phillips Flat Head Bolts and Nut Assorted Set, Machine Screws Grade 8.8 Alloy Steel Black Zinc Plated **Brand:** fgruh **Price:** 3619 som **Availability:** ✅ In Stock ## Summary > 🔧 Screw it right, screw it tight — the ultimate M3 kit for pros who demand precision. ## Quick Answers - **What is this?** 650pcs M3 Countersunk Screws Assortment Kit, M3x4/6/8/10/12/16/20 mm Phillips Flat Head Bolts and Nut Assorted Set, Machine Screws Grade 8.8 Alloy Steel Black Zinc Plated by fgruh - **How much does it cost?** 3619 som with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/809167091-650pcs-m3-countersunk-screws-assortment-kit-m3x4-6-8-10) ## Best For - fgruh enthusiasts ## Why This Product - Trusted fgruh brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Black Zinc Coating:** Rust-proof, oil-free finish keeps your hands clean and parts corrosion-resistant. - • **Smart Storage Case:** Clear-labeled compartments speed up your workflow and keep your workspace clutter-free. - • **Complete 650-Piece Kit:** All the M3 screws and nuts you’ll ever need, neatly organized for instant access. - • **Precision Metric Sizes:** Seven standardized lengths with ±0.01mm accuracy for flawless fit every time. - • **Premium Grade 8.8 Alloy Steel:** Engineered for durability and heavy-duty performance in any project. ## Overview This 650-piece M3 countersunk screw and nut assortment features seven metric sizes (4-20mm) crafted from high-strength Grade 8.8 alloy steel with a black zinc finish for rust resistance and clean handling. Perfectly suited for electronics, DIY, RC models, and light machinery repairs, it comes in a durable, compartmentalized case for quick size identification and organized storage. ## Description desertcart.com: Fgruh 650pcs M3 Countersunk Screws Assortment Kit, M3x4/6/8/10/12/16/20 mm Phillips Flat Head Bolts and Nut Assorted Set, Machine Screws Grade 8.8 Alloy Steel Black Zinc Plated : Industrial & Scientific Review: Nice variety, good price! - Excellent product. Many different sizes stored in a convent box. Used some bolts to fix a chair! Jobs are much easier when you have the right parts. I found this product convenient, decent quality, and at an affordable rice. Review: Great value for a pretty inclusive set of screws/nuts - Great set of screws. I bought these for 3D printing projects and it’s a great value for the number of pieces included. They screw together/come apart smoothly and the quality seems spot on. The variety of pieces will be super helpful with future projects. The case seems fine for keeping the screws/nuts organized. Arrived unbroken. They look great in my projects with the socket heads. ## Features - 【Product details】- This M3 countersunk screw assortment kit comes with 650 pieces, including 350pcs M3 bolts, 300pcs nuts. This M3 screw set is ideal for electronics, RC models, DIY repairs, home repairs and machinery. - 【Standardized Metric Sizes】 -The M3 phillips flat head screws set come with 7 commonly used lengths—M3-0.5 x 4mm, 6mm, 8mm, 10mm, 12mm, 16mm,20mm. Thread pitch=0.5mm —ideal for routine installations and repairs. They meet standard metric specs, the average error is less than 0.01mm. - 【Premium 8.8 Grade Alloy Steel】- This M3 phillips flat head bolts and nuts assorted kit are crafted from high-strength grade 8.8 alloy steel, ensuring exceptional durability and load-bearing capacity. High-strength steel resists wear, corrosion, and heavy loads, perfect for any indoor/light outdoor use. - 【Oil-Free & Rust-Proof】 -Black zinc plating means no greasy mess—keep hands and projects clean. Superior rust resistance ensuring long life.This 3mm black machine screw set ensures a cleaner handling experience and long-lasting performance even in humid or demanding conditions. - 【Smart Storage Box 】- The metric machine flat head screws fasteners kit comes in a durable, compartmentalized case with clear size labels—so you can spot the right screw instantly. Keeps your workspace tidy and speeds up project progress, making every job smoother. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0FZTYBXPY | | Best Sellers Rank | #77 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Screw & Bolt Assortment Sets | | Brand | Fgruh | | Color | Black | | Compatible Groove Diameter | 3 Millimeters | | Customer Reviews | 4.6 out of 5 stars 899 Reviews | | Fastener Type | Screw | | Finish Types | Black Zinc | | Item Diameter | 3 Millimeters | | Item Dimensions | 5.83 x 4.06 x 0.67 inches | | Item Shape | Round | | Item dimensions L x W x H | 5.83 x 4.06 x 0.67 inches | | Manufacturer | Fgruh | | Material | Alloy Steel | | Material Type | Alloy Steel | | Number of Pieces | 650 | | Screw Head Style | Phillips Flat Head | | Size | M3 650pcs | | Size Name | M3 650pcs | | Thread Size | M3 | | UPC | 717956561348 | ## Images ![650pcs M3 Countersunk Screws Assortment Kit, M3x4/6/8/10/12/16/20 mm Phillips Flat Head Bolts and Nut Assorted Set, Machine Screws Grade 8.8 Alloy Steel Black Zinc Plated - Image 1](https://m.media-amazon.com/images/I/810-pCReksL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Nice variety, good price! *by P***K on February 9, 2026* Excellent product. Many different sizes stored in a convent box. Used some bolts to fix a chair! Jobs are much easier when you have the right parts. I found this product convenient, decent quality, and at an affordable rice. ### ⭐⭐⭐⭐⭐ Great value for a pretty inclusive set of screws/nuts *by T***. on March 1, 2026* Great set of screws. I bought these for 3D printing projects and it’s a great value for the number of pieces included. They screw together/come apart smoothly and the quality seems spot on. The variety of pieces will be super helpful with future projects. The case seems fine for keeping the screws/nuts organized. Arrived unbroken. They look great in my projects with the socket heads. ### ⭐⭐⭐⭐⭐ Assorted screws *by C***E on March 19, 2026* It worked for what I needed! Nice to have different sizes! Good product! --- ## 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.kg/products/809167091-650pcs-m3-countersunk-screws-assortment-kit-m3x4-6-8-10](https://www.desertcart.kg/products/809167091-650pcs-m3-countersunk-screws-assortment-kit-m3x4-6-8-10) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-05-27*