{"product_id":"ingco-st6-3-x-25mm-hex-head-self-drilling-roofing-screw-with-epdm-rubber-washer-50-piece-high-strength-zinc-plated-fastener-pack-hwss6302521","title":"Ingco ST6.3 x 25mm Hex Head Self-Drilling Roofing Screw with EPDM Rubber Washer - 50-Piece High-Strength Zinc-Plated Fastener Pack (HWSS6302521)","description":"\u003cp\u003eSecuring heavy corrugated metal roofs, steel trusses, or industrial siding panels using standard screws or low-grade fasteners leaves your structure vulnerable to shifting, high-wind displacement, and catastrophic water leaks. Standard screws require tedious pre-drilling, while low-grade rubber seals degrade rapidly under harsh UV rays and thermal shifting, cracking over time and letting moisture seep directly onto structural steel. \u003cb\u003eThe Ingco HWSS6302521 ST6.3 x 25mm Hex Self-Drilling Roofing Screw Set is an industrial-strength fastening solution engineered to deliver instantaneous, high-torque sheet metal joinery and 100% weather-tight sealing.\u003c\/b\u003e Featuring an advanced integrated drilling tip, this premium hardware pack enables metal building contractors, roofing specialists, and assembly crews to pierce thick steel structures effortlessly without pre-drilling.\u003c\/p\u003e\n\u003cp\u003eThe exceptional structural integrity and leak-proof performance of these self-drilling fasteners stem from their \u003cb\u003ehardened carbon steel core and premium EPDM rubber washer interface\u003c\/b\u003e. Each screw is treated with an advanced \u003cb\u003eanti-corrosion zinc-plated protective layer\u003c\/b\u003e, shielding the raw steel from oxidation, atmospheric humidity, and acidic rain. The integrated hexagon flange head ensures perfect socket engagement under high torque, spreading clamp pressure evenly across the metal sheet. When driven home, the high-elasticity rubber washer compresses perfectly against the substrate, forming an airtight, watertight bond that stops rain leaks and absorbs heavy structural vibrations. Packed neatly inside a \u003cb\u003econvenient, reusable transparent plastic bottle container\u003c\/b\u003e, this 50-piece pack keeps your hardware clean, organized, and dry on busy construction sites.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAdvanced Self-Drilling Point\u003c\/b\u003e – Engineered with a sharp, integrated drill bit point that punches cleanly and taps threads directly through metal sheets without requiring separate pilot holes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePremium EPDM Rubber Washer\u003c\/b\u003e – High-elasticity rubber backing compresses uniformly to seal out rainwater and moisture, fully protecting against structural leaks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCorrosion-Resistant Zinc Finish\u003c\/b\u003e – Rugged zinc-plated layer forms an impenetrable barrier against rust, expanding the operational life of outdoor metal roof installations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh-Torque Hexagon Flange Head\u003c\/b\u003e – Flat flange profile maximizes driver socket surface contact area, preventing cam-out and head stripping under high physical torque.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHeavy-Duty Carbon Steel Core\u003c\/b\u003e – Induction-tempered steel frame provides elite shear strength, easily handling heavy winds and shifting structural loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e50-Piece Transparent Bottle Pack\u003c\/b\u003e – Securely bundled inside a durable plastic storage bottle layout for effortless stock tracking, organization, and moisture barrier protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e INGCO\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eModel:\u003c\/b\u003e HWSS6302521\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eProduct Type:\u003c\/b\u003e Hex Washer Head Metal-to-Metal Self-Drilling Roofing Screws\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_24964fbc663b658c-54\"\u003e\u003cb\u003eSize Specification (Metric):\u003c\/b\u003e ST6\u003cspan class=\"citation-111 citation-end-111\"\u003e.3 × 25 mm\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eGauge Dimension Equivalent:\u003c\/b\u003e 14G Heavy-Duty Fastener Profile\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eScrew Length Profile:\u003c\/b\u003e 25 mm (1 Inch Continuous Shaft Coverage)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHead Geometry Type:\u003c\/b\u003e Hexagon Flange Driving Head\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTip Configuration:\u003c\/b\u003e Precision Metal Drilling Point Matrix\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTotal Pack Quantity:\u003c\/b\u003e 50 Pieces Included per Container\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMaterial Composition Matrix:\u003c\/b\u003e High-Performance Hardened Carbon Steel Core\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSurface Coating Protection:\u003c\/b\u003e Industrial-Grade Zinc Plating Finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWasher Material Interface:\u003c\/b\u003e Weather-Resistant, Compressive Rubber Seal Backing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrimary Target Substrates:\u003c\/b\u003e Corrugated metal roofing sheets, iron profiles, heavy-gauge steel trusses, siding panels, and structural metal framework\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrimary Applications:\u003c\/b\u003e Industrial warehouse roof installation, steel frame garage assembly, commercial car port construction, and general heavy-duty sheet metal fastening\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eRoofing contractors, structural steel fabricators, commercial building crews, HVAC installers, and domestic DIYers who need an ultra-sharp, rustless hex self-drilling screw pack with rubber washers to assemble completely leak-proof metal structures.\u003c\/p\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cp id=\"p-rc_24964fbc663b658c-55\"\u003e50 × INGCO HWSS6302521 ST6\u003cspan class=\"citation-110 citation-end-110\"\u003e.3x25mm Hex Self-Drilling Screws\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_24964fbc663b658c-55\"\u003e1 × Heavy-Duty Reusable Clear Plastic Bottle Storage Layout with Screw-Top Lid\u003c\/p\u003e","brand":"FAST CLICK","offers":[{"title":"Default Title","offer_id":48677740871912,"sku":"HWSS6302521","price":250.0,"currency_code":"MUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/7648\/5608\/files\/images_bbd27f1a-8ec9-4a28-a1aa-57609f492191.jpg?v=1782207229","url":"https:\/\/www.fastclick.mu\/products\/ingco-st6-3-x-25mm-hex-head-self-drilling-roofing-screw-with-epdm-rubber-washer-50-piece-high-strength-zinc-plated-fastener-pack-hwss6302521","provider":"FAST CLICK","version":"1.0","type":"link"}