--- product_id: 337089888 title: "3.5x16mm Screws for Wood,Flat Head Wood Screws,Fine Thread and Yellow Zinc Galvanized (100pcs)" brand: "topywmsp" price: "59.77 DT" currency: TND in_stock: true reviews_count: 9 category: "Topywmsp" url: https://www.desertcart.tn/products/337089888-3-5x16mm-screws-for-wood-flat-head-wood-screws-fine store_origin: TN region: Tunisia --- # Heat-treated high tensile strength 3.5x16mm precision size 72h salt spray corrosion resistance 3.5x16mm Screws for Wood,Flat Head Wood Screws,Fine Thread and Yellow Zinc Galvanized (100pcs) **Brand:** topywmsp **Price:** 59.77 DT **Availability:** ✅ In Stock ## Summary > 🔩 Screw it right, screw it tight — the pro’s choice for flawless builds! ## Quick Answers - **What is this?** 3.5x16mm Screws for Wood,Flat Head Wood Screws,Fine Thread and Yellow Zinc Galvanized (100pcs) by topywmsp - **How much does it cost?** 59.77 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/337089888-3-5x16mm-screws-for-wood-flat-head-wood-screws-fine) ## Best For - topywmsp enthusiasts ## Why This Product - Trusted topywmsp brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Power-Ready:** High-strength Phillips PH2 head perfectly matches manual and electric screwdrivers for effortless installation. - • **Built to Last:** Yellow zinc coating guarantees rust-free durability even after 72 hours of salt spray testing. - • **Precision Fit:** 3.5x16mm size with fully threaded fine threads for a secure grip in wood and multiple materials. - • **Engineered Toughness:** Heat-treated carbon steel alloy ensures maximum hardness and reduces head damage during heavy-duty use. - • **Versatile Performance:** Ideal for wood, plasterboard, chipboard, concrete, decks, and plastic—your all-in-one fastening solution. ## Overview These 3.5x16mm flat head wood screws feature a heavy-duty yellow zinc galvanized finish that resists rust and corrosion for over 72 hours in salt spray tests. Crafted from heat-treated carbon steel alloy, they deliver superior tensile strength and durability. Fully threaded with a high-strength Phillips PH2 head, they ensure a secure fit and compatibility with both manual and electric screwdrivers. Perfect for a wide range of materials including wood, plasterboard, concrete, and plastic, these 100-piece screws are engineered for professional-grade fastening and long-lasting performance. ## Description Product Description Flat Head ,Zinc Galvanized,Multi Purpose Screws Easy to Install Colored Zinc Coating S2 Bit (NOT cr-v) PH2 Head Included Screwdriver PH2 Bit(S2) The screwdriver bit,PH2,S2（Hrc58-62） The screws match with manual and electric screwdriver BRAND CONCEPT TOPYWMSP-Provide The Reliable Product ZINC GALVANIZED Galvanized screws, waterproof and rustproof HIGH HARDNESS These self tapping screws are heat treatment improves the tensile strength. TIPS If your wood is very hard, please pre-drill holes in the boards to prevent them from cracking MULTI-PURPOSE These flat head screws can used for wood、plasterboard、chipboard、concrete、wall、deck、plastic. PHILIPS HEAD High Strength philips head Which screw is harder, M3.5 or M4?M5? They're both hard, but the M4 and M5 model is harder. Which screw is harder, M3.5 or M4?M5? They're both hard, but the M4 and M5 model is harder. How do I determine if I need to pre-drill holes in my wood? When your wood is very hard, please pre-drill holes in the boards to prevent them from cracking. How do I determine if I need to pre-drill holes in my wood? When your wood is very hard, please pre-drill holes in the boards to prevent them from cracking. Is this a brass screw? No,They're made of carbon steel. and yellow zinc plated screws, which are harder than brass screws. But brass screws are more beautiful. Their ability to resist rust is the same. Is this a brass screw? No,They're made of carbon steel. and yellow zinc plated screws, which are harder than brass screws. But brass screws are more beautiful. Their ability to resist rust is the same. Review: Great wood screws. - Great for fencing. The supplied bit fits the screw head very well and makes using a power screwdriver feel very secure. Review: Good quality - Good screws strong and good threads ## Features - HEAVIER&THICKER：When the quantity and model are the same,Our screws are heavier;zinc coating is thicker. - HIGH CORROSION RESISTANCE:The screws are yellow zinc passivated and to withstand 72 hours salt spray test, never rust is guaranteed. - HIGH HARDNESS:These self tapping screws are heat treatment improves the tensile strength.Maximum reduction damaged head. - HIGH STRENGTH:The outdoor screws have high Strength philips head,Perfect match with manual and electric screwdrivers. - VARIOUS PRODUCT USES：High performace for the home and engineering,These flat head screws can used for wood、plasterboard、chipboard、concrete、wall、deck、plastic. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B097BRZDVL | | Best Sellers Rank | 586 in DIY & Tools ( See Top 100 in DIY & Tools ) 4 in Screws (DIY & Tools) | | Brand Name | TOPYWMSP | | Colour | Yellow | | Compatible Groove Diameter | 3.5 Millimeters | | Country Of Origin | China | | Customer Reviews | 4.6 out of 5 stars 1,536 Reviews | | Drive System | Phillips | | Exterior Finish | Zinc | | Exterior finish | Zinc | | Fastener Size | 3.5x16mm | | Fastener Type | Wood Screws | | Finish Types | Zinc Plated | | Head Type | PH2 | | Head style | Cross Flat Head | | Item Diameter | 3.5 Millimetres | | Item Dimensions | 16 x 3 x 16 millimetres | | Item Weight | 100 Grams | | Item dimensions L x W x H | 16 x 3 x 16 millimetres | | Manufacturer | Zhengzhou HP Ltd | | Manufacturer Part Number | ZZWLSA08078 | | Material | alloy_steel，Carbon Steel， Zinc Passivated | | Material Type | alloy_steel，Carbon Steel， Zinc Passivated | | Metal | Alloy_steel，Carbon Steel， Zinc Passivated | | Point style | Sharp | | Screw Head Style | Cross Flat Head | | Screw Point Style | Sharp | | Set Screw Thread Type | UNF | | Size | 3.5x16mm | | Thread Coverage | Fully Threaded | | Thread Size | M3.5 x 16mm | | Thread Style | end | | Thread Type | Metric | | Thread size | M3.5 x 16mm | | Unit Count | 100 count | ## Product Details - **Material:** alloy_steel，Carbon Steel， Zinc Passivated - **Head style:** Cross Flat Head - **Item dimensions L x W x H:** 16 x 3 x 16 millimetres - **Exterior finish:** Zinc - **Thread size:** M3.5 x 16mm ## Images ![3.5x16mm Screws for Wood,Flat Head Wood Screws,Fine Thread and Yellow Zinc Galvanized (100pcs) - Image 1](https://m.media-amazon.com/images/I/51e8mLD6f+S.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Which screw is harder, M3.5 or M4?M5?** A: They're both hard, but the M4 and M5 model is harder. **Q: How do I determine if I need to pre-drill holes in my wood?** A: When your wood is very hard, please pre-drill holes in the boards to prevent them from cracking. **Q: Is this a brass screw?** A: No,They're made of carbon steel. and yellow zinc plated screws, which are harder than brass screws. But brass screws are more beautiful. Their ability to resist rust is the same. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great wood screws. *by M***H on 21 July 2026* Great for fencing. The supplied bit fits the screw head very well and makes using a power screwdriver feel very secure. ### ⭐⭐⭐⭐⭐ Good quality *by G***Y on 13 July 2026* Good screws strong and good threads ### ⭐⭐⭐⭐ Great screws *by R***N on 27 April 2026* Great value ## Frequently Bought Together - 3.5x16mm Screws for Wood,Flat Head Wood Screws,Fine Thread and Yellow Zinc Galvanized (100pcs) - TERF® 50 Pcs Heavy Duty Modesty Block Wood & Furniture Jointing Connector - Black - 40 PCS Right Angle Brackets Plastic Corner Brackets for Furniture --- ## 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.tn/products/337089888-3-5x16mm-screws-for-wood-flat-head-wood-screws-fine](https://www.desertcart.tn/products/337089888-3-5x16mm-screws-for-wood-flat-head-wood-screws-fine) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-17*