--- product_id: 84561241 title: "50 Pcs M4 x 20/25/30/35/40 Stainless Steel 304 Hex Socket Flat Head Cap Screws Bolts Assortment Kit" brand: "iexcell" price: "$28.61" currency: USD in_stock: true category: "Iexcell" url: https://www.desertcart.ec/products/84561241-50-pcs-m4-x-20-25-30-35-40-stainless store_origin: EC region: Ecuador --- # 50 pcs versatile sizes Precision M4 x 0.7mm threading 304 stainless steel corrosion-proof 50 Pcs M4 x 20/25/30/35/40 Stainless Steel 304 Hex Socket Flat Head Cap Screws Bolts Assortment Kit **Brand:** iexcell **Price:** $28.61 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your build game with precision and style — don’t get left behind! ## Quick Answers - **What is this?** 50 Pcs M4 x 20/25/30/35/40 Stainless Steel 304 Hex Socket Flat Head Cap Screws Bolts Assortment Kit by iexcell - **How much does it cost?** $28.61 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/84561241-50-pcs-m4-x-20-25-30-35-40-stainless) ## 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 - • **Complete Size Spectrum:** Five M4 lengths from 20mm to 40mm cover every project need with precision. - • **Organized Storage Case:** Keep your fasteners sorted and accessible with a smart, easy-use compartmentalized case. - • **Hex Socket Flat Head Design:** Flush countersunk heads ensure sleek, snag-free finishes for professional-grade assemblies. - • **Premium 304 Stainless Steel:** Engineered for high strength and unbeatable corrosion resistance in any environment. - • **Included Chrome-Vanadium Hex Key:** Durable, nickel-plated tool for effortless, slip-free screw driving every time. ## Overview The iexcell 50 Pcs M4 Hex Socket Flat Head Cap Screws Assortment Kit offers five precise screw lengths (20-40mm) crafted from durable 304 stainless steel for superior corrosion resistance and strength. Featuring a flush countersunk flat head and internal hex drive, these screws deliver a clean, professional finish. The kit includes a high-quality chrome-vanadium hex key and a compartmentalized storage case, making it the ultimate fastener set for professionals and makers seeking reliability and style. ## Description ✔Meets/exceeds: DIN 7991 ✔Screw head style: flat Head, known as countersunk head, countersunk angle: 90 degree ✔Screw drive style: Internal Hex drives, also known as Hex Socket Drives ✔Material of Screws: Stainless steel 304, high strength and anti-corrosion in various environments ✔Material of Hex Key: chrome-vanadium steel, nickel plated ✔Easy to store: these screws and hex key come in an easy-use separated girds storage case [ Sizes ]------------[ Total Length ] M4 x 20-------20mm/0.79" M4 x 25-------25mm/0.98" M4 x 30-------30mm/1.18" M4 x 35-------35mm/1.38" M4 x 40-------40mm/1.57" [ Package Contains ] M4 x 20-------10 Pcs M4 x 25-------10 Pcs M4 x 30-------10 Pcs M4 x 35-------10 Pcs M4 x 40-------10 Pcs Hex Key -----1 Pcs [ 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 Flat Head ] Flat head screws are designed to fit flush to the surface when used with countersunk holes. ## Features - ✔ Includes 50 Pcs, 5 Sizes, M4 Hex Socket Flat Head Cap Screws: M4 x 20, M4 x 25, M4 x 30, M4 x 35, M4 x 40, Thread Size ( Diameter ): 4 mm, Thread pitch: 0.7 mm, Thread Length from 20 mm to 40 mm - ✔ Material of Screws: Stainless Steel 304, High Strength And Anti-corrosion in Various Conditions - ✔ Includes 1 Pcs Hex Key, Hex Size: 2.5 mm, to Drive These Screws Conveniently and Easily - ✔ Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength And Anti-rust - ✔ Package: 50 Pcs M4 Hex Socket Flat Head Cap Screws and 1 Pcs Hex Key, Come in an Easy-use Storage Case ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07H3NJHNW | | Best Sellers Rank | #18,513 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #117 in Socket Head Screws | | Brand | iexcell | | Color | Silver-white | | Customer Reviews | 4.8 4.8 out of 5 stars (547) | | Drive System | Internal Hex | | Exterior Finish | Bright Finish | | Fastener Size | M4-0.7 | | Fastener Type | Hex Socket Flat Head Cap Screw | | Finish Types | Glossy | | Grade Rating | Grade 304 | | Head Angle | 90 degrees | | Head Type | Flat | | Item Diameter | 4 millimeters | | Item Hardness | Grade 5 | | Manufacturer | iExcell | | Manufacturer Grade | Grade 304 | | Material Type | Stainless Steel | | Metal Type | Stainless Steel | | Model | M4-2040F-SS304 | | Number Of Items | 50 | | Number of Pieces | 50 | | Outside Diameter | 4 millimeters | | Part Number | M4-2040F-SS304 | | Screw Head Style | Flat | | Screw Point Style | Flat Point | | Set Name | iexcell 50 Pcs M4 Hex Socket Flat Head Cap Screws Assortment Kit | | Set Screw Thread Type | Metric | | Size Name | M4 x 20/25/30/35/40mm | | Thread Class | 3A | | Thread Coverage | Fully Threaded | | Thread Size | m4-0.7 | | Thread Style | Right Hand | | Thread Type | Metric | | UPC | 601629960012 | | Unit Count | 1 Count | ## Product Details - **Exterior Finish:** Bright Finish - **Head Style:** Flat - **Manufacturer Grade:** Grade 304 - **Material:** Stainless Steel - **Thread Size:** m4-0.7 ## Images ![50 Pcs M4 x 20/25/30/35/40 Stainless Steel 304 Hex Socket Flat Head Cap Screws Bolts Assortment Kit - Image 1](https://m.media-amazon.com/images/I/41F-ofie+jL.jpg) ![50 Pcs M4 x 20/25/30/35/40 Stainless Steel 304 Hex Socket Flat Head Cap Screws Bolts Assortment Kit - Image 2](https://m.media-amazon.com/images/I/41dnHEZcKGL.jpg) ![50 Pcs M4 x 20/25/30/35/40 Stainless Steel 304 Hex Socket Flat Head Cap Screws Bolts Assortment Kit - Image 3](https://m.media-amazon.com/images/I/21pwASc3LIL.jpg) ![50 Pcs M4 x 20/25/30/35/40 Stainless Steel 304 Hex Socket Flat Head Cap Screws Bolts Assortment Kit - Image 4](https://m.media-amazon.com/images/I/31j0tVMwHBL.jpg) ![50 Pcs M4 x 20/25/30/35/40 Stainless Steel 304 Hex Socket Flat Head Cap Screws Bolts Assortment Kit - Image 5](https://m.media-amazon.com/images/I/71UgXn20stL.jpg) ## Available Options This product comes in different **Size** options. --- ## 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.ec/products/84561241-50-pcs-m4-x-20-25-30-35-40-stainless](https://www.desertcart.ec/products/84561241-50-pcs-m4-x-20-25-30-35-40-stainless) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-11-10*