--- product_id: 365046179 title: "Self Drilling Countersunk Screws 3.5 X 25mm Self Tapping Phillips Drive Screw for Plasterboard Wood Metal Sheet Steel Sheet Roofing Window - Pack of 100" brand: "terf" price: "₱1234" currency: PHP in_stock: true category: "Terf" url: https://www.desertcart.ph/products/365046179-self-drilling-countersunk-screws-3-5-x-25mm-self-tapping store_origin: PH region: Philippines --- # 3.5mm diameter precision Self-drilling & tapping power 100-pack bulk value Self Drilling Countersunk Screws 3.5 X 25mm Self Tapping Phillips Drive Screw for Plasterboard Wood Metal Sheet Steel Sheet Roofing Window - Pack of 100 **Brand:** terf **Price:** ₱1234 **Availability:** ✅ In Stock ## Summary > 🔧 Screw smarter, not harder — the pro’s choice for flawless fastening! ## Quick Answers - **What is this?** Self Drilling Countersunk Screws 3.5 X 25mm Self Tapping Phillips Drive Screw for Plasterboard Wood Metal Sheet Steel Sheet Roofing Window - Pack of 100 by terf - **How much does it cost?** ₱1234 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/365046179-self-drilling-countersunk-screws-3-5-x-25mm-self-tapping) ## Best For - terf enthusiasts ## Why This Product - Trusted terf brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Finish:** Countersunk bugle head ensures screws sit flush for a sleek, professional look. - • **Bulk Pack Advantage:** 100 screws per pack means you’re always ready for any job, big or small. - • **Durable Zinc Plating:** Corrosion-resistant finish keeps your work strong and lasting through all conditions. - • **Effortless Installation:** Self-drilling point eliminates pre-drilling, saving you time and hassle on every project. - • **Universal Compatibility:** Perfectly engineered for plasterboard, wood, metal sheets, roofing, and window frames. ## Overview TERF® Self Drilling Countersunk Screws (3.5 x 25mm) are precision-engineered, zinc-plated carbon steel fasteners designed for versatile use across wood, metal, plasterboard, and roofing applications. Featuring a self-drilling point and Phillips bugle head, these screws deliver quick, secure, and flush installations without pre-drilling. Sold in a convenient 100-piece pack, they combine durability, efficiency, and professional-grade finish for both DIY enthusiasts and trade professionals. ## Description Product DescriptionTerf Self Drilling Point Screws Phillips Bugle Head Zinc Screws Self Tapping Screws Measures 3.5mm diameter by 25mm length.Package Contains100 Pcs Approx Zinc Plated Self Drilling Point Screw Phillips Bugle Head ScrewNote:Please read our product description for checking size carefully before purchase.Please allow slight errors on size due to manual measurementPlease Wear Health and Safety Dress Before Use Screw Caution:Choking Hazard - Small Parts Not For Children Under 5 Year ## Features - Package Content : 100 Pcs Approx Self Drilling Point Phillips Bugle Head Zinc Screws 3.5 X 25mm ★【 Note 】:- Before Buy Please Check Your Require Screw Size - Material : Made of Hardened Steel - Self Drilling Self Tapping Phillips Drive Bugle Heads Countersunk Screws - Suitable for use with Plasterboard to Metal Sheet Steel Sheet Roofing Window other similar types - Please make your selection from the drop down menu. Image is for illustrative purposes ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09HC9Z99W | | Best Sellers Rank | 13,204 in DIY & Tools ( See Top 100 in DIY & Tools ) 53 in Self-tapping Screws | | Brand Name | TERF | | Colour | Zinc | | Compatible Groove Diameter | 3.5 Millimeters | | Customer Reviews | 4.1 4.1 out of 5 stars (218) | | Drive System | Phillips Drive Countersunk | | Exterior Finish | Zinc | | Fastener Size | 3.5 X 25 | | Fastener Type | Self-Tapping Screw | | Finish Types | Zinc | | Head Type | Bugle Head | | Item Diameter | 3.5 Millimetres | | Manufacturer | TERF | | Manufacturer Part Number | TERF - DSDPZSCREW | | Material Type | Carbon Steel | | Metal | Alloy Steel | | Number Of Items | 100 | | Number of Pieces | 100 | | Outside Diameter | 3.5 Millimetres | | Screw Head Style | Bugle | | Screw Point Style | Self-Drill Point | | Set Name | TERF Self Drilling Countersunk Screws 3.5 X 25mm (Pack of 100) | | Size | 3.5 X 25 | | Thread Coverage | Fully Threaded | | Thread Size | 3.5 | | Thread Style | Fully Threaded | | Thread Type | Metric | | Unit Count | 100.0 count | ## Product Details - **Exterior finish:** Zinc - **Head style:** Bugle - **Material:** Carbon Steel - **Point style:** Self-Drill Point - **Thread size:** 3.5 ## Images ![Self Drilling Countersunk Screws 3.5 X 25mm Self Tapping Phillips Drive Screw for Plasterboard Wood Metal Sheet Steel Sheet Roofing Window - Pack of 100 - Image 1](https://m.media-amazon.com/images/I/41gFuvQcDIL.jpg) ![Self Drilling Countersunk Screws 3.5 X 25mm Self Tapping Phillips Drive Screw for Plasterboard Wood Metal Sheet Steel Sheet Roofing Window - Pack of 100 - Image 2](https://m.media-amazon.com/images/I/31QPr8nII2L.jpg) ![Self Drilling Countersunk Screws 3.5 X 25mm Self Tapping Phillips Drive Screw for Plasterboard Wood Metal Sheet Steel Sheet Roofing Window - Pack of 100 - Image 3](https://m.media-amazon.com/images/I/31mH++XEw4L.jpg) ![Self Drilling Countersunk Screws 3.5 X 25mm Self Tapping Phillips Drive Screw for Plasterboard Wood Metal Sheet Steel Sheet Roofing Window - Pack of 100 - Image 4](https://m.media-amazon.com/images/I/41PFhb-bBWL.jpg) ![Self Drilling Countersunk Screws 3.5 X 25mm Self Tapping Phillips Drive Screw for Plasterboard Wood Metal Sheet Steel Sheet Roofing Window - Pack of 100 - Image 5](https://m.media-amazon.com/images/I/51Mnxg-aFJL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - TERF® Self Drilling Countersunk Screws 3.5 X 25mm Self Tapping Phillips Drive Screw for Plasterboard Wood Metal Sheet Steel Sheet Roofing Window - Pack of 100 - 4.8mm x 32mm Self Drilling Countersunk Screws Steel Self Tapping Screws for Metal Sheets Roofing Windows (Pack of 50) - 60 PCS Stainless Steel Self Drilling Self Tapping Metal Screws for Iron Sheets, Furniture, Steel Tiles (M4.8 * 32mm) --- ## 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.ph/products/365046179-self-drilling-countersunk-screws-3-5-x-25mm-self-tapping](https://www.desertcart.ph/products/365046179-self-drilling-countersunk-screws-3-5-x-25mm-self-tapping) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-11-08*