--- product_id: 348723747 title: "Wood Screw - Flat Head Single Thread 3.5x30mm Zinc Galvanized Multi Purpose for Wood (100pcs)" brand: "topywmsp" price: "€ 15.09" currency: EUR in_stock: true reviews_count: 9 category: "Topywmsp" url: https://www.desertcart.sk/products/348723747-wood-screw-flat-head-single-thread-3-5x30mm-zinc-galvanized store_origin: SK region: Slovakia --- # heat-treated high tensile strength 3.5mm precision diameter 72h salt spray corrosion resistance Wood Screw - Flat Head Single Thread 3.5x30mm Zinc Galvanized Multi Purpose for Wood (100pcs) **Brand:** topywmsp **Price:** € 15.09 **Availability:** ✅ In Stock ## Summary > 🔩 Screw it right, screw it tight — the pro’s choice for flawless fixes! ## Quick Answers - **What is this?** Wood Screw - Flat Head Single Thread 3.5x30mm Zinc Galvanized Multi Purpose for Wood (100pcs) by topywmsp - **How much does it cost?** € 15.09 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/348723747-wood-screw-flat-head-single-thread-3-5x30mm-zinc-galvanized) ## 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 - • **Ready for Action:** Comes in a convenient 100-piece pack with drill and screwdriver bits included—no extra tools needed. - • **Strength You Can Trust:** Heat-treated alloy steel delivers superior hardness and tensile strength, tackling tough materials with ease. - • **Versatility at Its Core:** Ideal for wood, plasterboard, chipboard, concrete, plastic, and decking—your all-in-one fastening solution. - • **Precision Fit for Every Fix:** 3.5x30mm flat head design perfectly matches manual and electric screwdrivers for seamless installation. - • **Built to Last, Built to Perform:** Thicker zinc coating ensures unbeatable rust resistance for outdoor and indoor projects alike. ## Overview The TOPYWMSP 3.5x30mm zinc galvanized flat head wood screws offer premium durability with a thicker zinc coating and heat-treated alloy steel for high tensile strength. Designed for multi-material use, these 100-piece packs come with matching drill and screwdriver bits, ensuring corrosion resistance and effortless installation for both home and professional projects. ## Description TOPYWMSP Wood Screw - Flat Head Single Thread 3.5x30mm Zinc Galvanized Multi Purpose for Wood (100pcs) : desertcart.co.uk: DIY & Tools Review: Excellent value and really good screws - I purchased these to add a few more screws to parts of my timber shed, just to reinforce the structure , the screws were good value in my opinion , they arrived in a small box with added drill bits for making a small hole to prevent splitting and also a screwdriver bit that fits the screw heads perfectly, I used that to screw a lot of screws into the outer and interior of my wooden shed and they went in easily, no splitting, the drill bit worked very well and they did the job intended well, the screws are sharp , well made and good for the job intended. Review: It's a good screw..recommend it - It's a screw..does the job It's made for..no complaints from me..arrived promptly and well packaged.. ## 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. - 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 | B097BSMCDN | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 633 in DIY & Tools ( See Top 100 in DIY & Tools ) 2 in Screws (DIY & Tools) | | Colour | Yellow | | Customer Reviews | 4.5 4.5 out of 5 stars (1,376) | | Cutting Diameter | 3.5 Millimetres | | Date First Available | 16 Jun. 2021 | | Finish | Zinc | | Head Style | Cross Flat Head | | Item Weight | 150 g | | Item diameter | 3.5 Millimetres | | Manufacturer | Zhengzhou HP Ltd | | Manufacturer reference | ZZWLSA08078 | | Material | alloy_steel，Carbon Steel， Zinc Passivated | | Measurement System | Metric | | Number of Pieces | 100 | | Part number | ZZWLSA08078 | | Shape | Cylindrical with Flat Head | | Size | 3.5x30mm | | Special Features | Others | | Specific uses | home and engineering use | ## Product Details - **Exterior finish:** Zinc - **Head style:** Cross Flat Head - **Item dimensions L x W x H:** 30 x 3 x 30 millimetres - **Material:** alloy_steel，Carbon Steel， Zinc Passivated - **Thread size:** M3.5 x 30mm ## Images ![Wood Screw - Flat Head Single Thread 3.5x30mm Zinc Galvanized Multi Purpose for Wood (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 ### ⭐⭐⭐⭐⭐ Excellent value and really good screws *by G***Z on 21 July 2025* I purchased these to add a few more screws to parts of my timber shed, just to reinforce the structure , the screws were good value in my opinion , they arrived in a small box with added drill bits for making a small hole to prevent splitting and also a screwdriver bit that fits the screw heads perfectly, I used that to screw a lot of screws into the outer and interior of my wooden shed and they went in easily, no splitting, the drill bit worked very well and they did the job intended well, the screws are sharp , well made and good for the job intended. ### ⭐⭐⭐⭐⭐ It's a good screw..recommend it *by W***M on 10 February 2026* It's a screw..does the job It's made for..no complaints from me..arrived promptly and well packaged.. ### ⭐⭐⭐⭐ Handy screws. *by D***E on 24 June 2025* Well made screws. The heads seem to be milled correctly and they go in easily but do distort when pressure is applied Can't go wrong at the price though. ## Frequently Bought Together - TOPYWMSP Wood Screws,Flat Head Screws for Wood,Zinc Galvanized Single Thread Screws,Multi Purpose Screws 3.5x30mm (100pcs) - ASelected 250pcs(1KG) wood screws M5 (5mm X 50mm) Gold For Wood Chipboard,Home DIY Constructing Repair - ForgeFix Multi-Purpose Single Thread Screws | 4.0 x 40mm | Zinc Yellow Passivated | Box 200 --- ## 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.sk/products/348723747-wood-screw-flat-head-single-thread-3-5x30mm-zinc-galvanized](https://www.desertcart.sk/products/348723747-wood-screw-flat-head-single-thread-3-5x30mm-zinc-galvanized) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-05-23*