{"product_id":"m4-5-x-40-green-decking-screw","title":"M4.5 x 40 Green Decking Screw (200\/Box)","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eM4.5 x 40 Green Decking Screws for reliable board-to-joist fixing in hardwood, softwood, and treated timbers. \u003cbr\u003e\u003cbr\u003eEach screw is manufactured from Ruspert-coated steel, featuring a durable three-layer metallic coating of zinc, film, and ceramic. \u003cbr\u003e\u003cbr\u003eThis advanced finish offers excellent corrosion resistance and a subtle, low-visibility appearance that complements the colour of treated softwood decking and garden structures.\u003cbr\u003e\u003cbr\u003eThe countersunk head draws boards tight for a flush, professional finish with reduced movement and creak. \u003cbr\u003e\u003cbr\u003eA sharp, coarse thread provides fast bite, controlled driving, and dependable pull-down across typical decking substrates.\u003cbr\u003e\u003cbr\u003eSuitable for fixing thin boards, edging, and narrow components into joists.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior durability\u003c\/strong\u003e: Hardened carbon steel with corrosion-resistant coated finish for outdoor decking conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlush finish\u003c\/strong\u003e: Countersunk head clamps boards to joists for a smooth walking surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast bite\u003c\/strong\u003e: Coarse single thread and sharp point promote rapid insertion and strong pull-out resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTimber compatibility\u003c\/strong\u003e: Suitable for softwood, many hardwoods, and pressure-treated joists; pilot drilling recommended for dense boards and near edges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-visibility head\u003c\/strong\u003e: Green finish blends with treated softwood decking and garden structures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal size\u003c\/strong\u003e: M4.5 x 40mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTub quantity\u003c\/strong\u003e: Supplied in a box of 200 for efficient deck coverage and fewer on-site restocks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThin decking boards:\u003c\/strong\u003e Reliable fixing of narrow or low-profile boards to timber joists without risk of breakthrough.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdging and fascia trims:\u003c\/strong\u003e Provides neat, flush fixing for perimeter boards, fascias, and step nosings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeck borders and skirting:\u003c\/strong\u003e Secure attachment of finishing components for a consistent edge detail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight outdoor joinery:\u003c\/strong\u003e Suitable for battens, small rails, and decorative timber features.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral exterior carpentry:\u003c\/strong\u003e Versatile screw for light-duty timber assemblies and maintenance work.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePilot \u0026amp; clearance\u003c\/strong\u003e: Pilot dense hardwoods and pre-drill near board ends to limit splitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriving technique\u003c\/strong\u003e: Drive at moderate speed with steady pressure; avoid over-torque that can strip fibres.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead seating\u003c\/strong\u003e: Countersink until flush; do not bury the head below the board surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood practice\u003c\/strong\u003e: Maintain consistent board gaps and fix each board with two screws per joist line.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing reference\u003c\/strong\u003e: Produced to relevant timber fastener requirements (EN 14592 reference for mechanical fasteners).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection\u003c\/strong\u003e: Exterior coated finish suitable for typical residential exposure; check local exposure class.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate suitability\u003c\/strong\u003e: Use with timber and most composite-over-timber installs; verify composite manufacturer guidance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety\u003c\/strong\u003e: Wear eye protection; support boards during fixing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note\u003c\/strong\u003e: For aggressive\/coastal environments or permanent wet areas, specify stainless steel grade fasteners.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Green \/ 40mm","offer_id":53771566743663,"sku":"1001103","price":7.04,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 50mm","offer_id":53771566776431,"sku":"1001104","price":7.68,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 60mm","offer_id":53771566809199,"sku":"1001105","price":8.96,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 75mm","offer_id":53771566841967,"sku":"1001106","price":7.04,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 100mm","offer_id":53771566874735,"sku":"1001108","price":10.24,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 80mm","offer_id":53771566907503,"sku":"1001107","price":8.32,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/Green_Decking_Screw.jpg?v=1783758835","url":"https:\/\/supplyyard.co.uk\/products\/m4-5-x-40-green-decking-screw","provider":"Supply Yard","version":"1.0","type":"link"}