{"product_id":"drywall-construction-metal-stud-cement-board-screws-ph-countersunk-wafer-self-drilling-exterior-silver-organic","title":"Drywall Construction Metal Stud Cement Board Screws - PH - Countersunk Wafer - Self-Drilling - Exterior - Silver Organic","description":"\u003ch3\u003eExterior-Grade Self-Drilling Screws for Fixing Cement Board to Light Gauge Steel Framework\u003c\/h3\u003e\n\n\u003cp\u003e\n  These high-performance construction screws are designed specifically for fixing cement boards to light gauge metal studs in drywall and façade applications. Featuring a PH (Phillips) drive, self-drilling point, and a countersunk wafer head, they provide a secure, flush finish and excellent corrosion resistance for exterior use. The silver organic coating enhances durability in wet or exposed environments, making them ideal for cement board cladding and external sheathing systems.\n\u003c\/p\u003e\n\n\u003ch4\u003eKey Features \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-Drilling Tip:\u003c\/strong\u003e Eliminates the need for pre-drilling, speeding up installation time on metal studs up to 1.6mm thick.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWafer Head:\u003c\/strong\u003e Countersunk design sits flush with the board surface, reducing surface disruption under finishes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExterior-Grade Coating:\u003c\/strong\u003e Silver organic finish offers enhanced resistance to corrosion and weather exposure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePH Drive:\u003c\/strong\u003e Phillips recess provides a secure fit and reduces cam-out during driving.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for Cement Board:\u003c\/strong\u003e Specifically suited for fibre cement panels, tile backer boards, and dense sheathing boards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Details\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Countersunk Wafer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e Phillips (PH)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Self-drilling tip (suitable for up to 1.6mm steel)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Silver Organic Coating\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Exterior use – suitable for exposed environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Materials:\u003c\/strong\u003e Fibre cement boards, tile backers, sheathing boards, metal studs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eApplication Instructions\u003c\/h4\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlign Boards:\u003c\/strong\u003e Position cement board over metal stud framing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Screw:\u003c\/strong\u003e Using a Phillips driver, fix the screw until the head sits flush with the board surface. No pre-drilling required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpacing:\u003c\/strong\u003e Fix screws as per board manufacturer’s recommended spacing pattern (typically 200–300mm centres).\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch4\u003eLimitations\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eNot suitable for use with timber studs or substrates thicker than 1.6mm steel without pre-drilling.\u003c\/li\u003e\n  \u003cli\u003eEnsure correct screw length for board and stud thickness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eHealth \u0026amp; Safety\u003c\/h4\u003e\n\u003cp\u003e\n  Always wear appropriate PPE including gloves, eye protection, and dust masks when installing cement boards. Use with compatible power tools and follow safe handling procedures.\n\u003c\/p\u003e\n","brand":"DIY Refurb","offers":[{"title":"4.2 x 32 \/ 200","offer_id":58244640014717,"sku":"217154","price":5.97,"currency_code":"GBP","in_stock":true},{"title":"4.2 x 42 \/ 200","offer_id":58244640047485,"sku":"217228","price":7.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0516\/5822\/7906\/files\/217154_w1.jpg?v=1780488889","url":"https:\/\/trade-coatings.co.uk\/products\/drywall-construction-metal-stud-cement-board-screws-ph-countersunk-wafer-self-drilling-exterior-silver-organic","provider":"Trade Coatings","version":"1.0","type":"link"}