{"product_id":"drywall-construction-timber-stud-cement-board-screws-ph-countersunk-wafer-twin-cut-exterior-silver-organic","title":"Drywall Construction Timber Stud Cement Board Screws - PH - Countersunk Wafer - Twin-Cut - Exterior - Silver Organic","description":"\u003ch3\u003eExterior-Grade Twin-Cut Screws for Fixing Cement Boards to Timber Framework\u003c\/h3\u003e\n\n\u003cp\u003e\n  These Drywall Construction Cement Board Screws are engineered for securely fixing fibre cement and tile backer boards to timber studs in external and wet area applications. Featuring a twin-cut thread design for fast insertion, a PH (Phillips) drive, and a countersunk wafer head, they offer a flush finish and superior holding power. The exterior-grade silver organic coating ensures corrosion resistance in exposed environments, making them ideal for cladding, facades, and bathroom installations.\n\u003c\/p\u003e\n\n\u003ch4\u003eKey Features \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwin-Cut Thread:\u003c\/strong\u003e Reduces driving torque and enhances grip in timber for cleaner, faster insertion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountersunk Wafer Head:\u003c\/strong\u003e Provides a flat, flush finish that won't interfere with board finishes or coatings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePH Drive:\u003c\/strong\u003e Phillips recess reduces cam-out and ensures efficient power tool compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSilver Organic Coating:\u003c\/strong\u003e Offers enhanced corrosion resistance for long-term exterior or wet area use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for Cement Boards:\u003c\/strong\u003e Compatible with fibre cement panels, tile backers, and similar sheathing materials.\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\u003eThread Type:\u003c\/strong\u003e Twin-cut, coarse thread for timber substrates\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 or interior use – ideal for bathrooms, wet rooms, and façades\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Materials:\u003c\/strong\u003e Timber studs, cement board, tile backer boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eApplication Instructions\u003c\/h4\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePosition Board:\u003c\/strong\u003e Align cement board to timber frame.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Screws:\u003c\/strong\u003e Use a PH bit to drive screws flush with the board surface. Pilot holes may be used in hardwoods if required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpacing:\u003c\/strong\u003e Follow manufacturer recommendations, typically 200–300mm screw 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 steel or metal framing – use self-drilling screws instead.\u003c\/li\u003e\n  \u003cli\u003eEnsure screw length provides adequate penetration into timber for a secure hold.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eHealth \u0026amp; Safety\u003c\/h4\u003e\n\u003cp\u003e\n  Use appropriate PPE including gloves and eye protection. Follow all board manufacturer guidelines for handling and fixing cement-based products.\n\u003c\/p\u003e\n","brand":"DIY Refurb","offers":[{"title":"4.2 x 25 \/ 200","offer_id":58244640080253,"sku":"217789","price":5.8,"currency_code":"GBP","in_stock":true},{"title":"4.2 x 32 \/ 200","offer_id":58244640113021,"sku":"217283","price":5.97,"currency_code":"GBP","in_stock":true},{"title":"4.2 x 42 \/ 200","offer_id":58244640145789,"sku":"217796","price":7.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0516\/5822\/7906\/files\/217789_w1.jpg?v=1780488889","url":"https:\/\/trade-coatings.co.uk\/products\/drywall-construction-timber-stud-cement-board-screws-ph-countersunk-wafer-twin-cut-exterior-silver-organic","provider":"Trade Coatings","version":"1.0","type":"link"}