{"product_id":"performance-exterior-screws-silver-countersunk","title":"Performance Exterior Screws – Silver Countersunk","description":"\u003ch2\u003e\u003cspan\u003ePerformance Exterior Screws – Silver Countersunk\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCorrosion-resistant exterior wood screws for general timber fixing, available from 4 × 30mm up to 6 × 150mm.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The countersunk head is designed to pull flush with the timber surface, making these a good choice where you want a neat finish rather than a raised screw head.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvailable in three diameters and a range of lengths, so you can choose a lighter 4mm screw for smaller timber work, a general-purpose 5mm screw, or a heavier 6mm fixing where more substantial timber sections are involved.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is a countersunk screw?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecountersunk screw has a tapered underside to the head\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, allowing it to pull down flush with, or slightly below, the surface of the timber.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is different from a pan-head screw, where the wider head remains sitting on top of the material.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCountersunk screws are particularly useful for timber work where you don't want a raised screw head catching on the finished surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy choose the Performance Exterior version?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThese screws have Samac's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSilver Ruspert 1000-hour corrosion-resistant coating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making them intended for exterior timber applications where a standard bright indoor screw would not be appropriate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esilver\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e describes the coating\/finish. It should not be confused with a stainless-steel screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTypical uses include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFencing and garden timber\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTimber battens\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRails and framing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExterior joinery\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTimber repairs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFixing boards and timber components together\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGeneral building and landscaping work\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndoor jobs where a corrosion-resistant screw is preferred\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor highly aggressive, coastal or other applications that specifically require stainless steel or a particular fixing specification, choose a fixing rated for that application rather than assuming a coated screw is interchangeable with stainless.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhich size do I need?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe first measurement is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003escrew diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and the second is its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003elength\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor example, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5 × 80mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e means a 5mm diameter screw that is 80mm long.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e4mm – lighter timber fixing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe slimmer 4mm diameter is suited to lighter timber components where a large screw isn't necessary.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4 × 30mm – Box of 200\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFor thinner timber, small battens and lighter fixing jobs where only a short screw is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4 × 40mm – Box of 200\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA useful light-duty length for battens, timber components and general smaller fixing work.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4 × 50mm – Box of 200\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProvides greater penetration than the shorter 4mm screws while keeping the slimmer 4mm diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese 4mm screws are fully threaded.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e5mm – general-purpose exterior timber screw\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 5mm diameter is the middle ground in the range and will suit many everyday timber-fixing jobs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5 × 40mm – Box of 200\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFor relatively thin timber components and general shorter fixings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5 × 50mm – Box of 200\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA versatile size for general timber-to-timber work.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5 × 60mm – Box of 100\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eUseful where a little more penetration into the receiving timber is needed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5 × 70mm – Box of 100\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFor thicker timber, battens and rails where the shorter screws don't provide enough reach.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5 × 80mm – Box of 100\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA useful longer fixing for thicker timber sections and timber-to-timber work.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5 × 100mm – Box of 100\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFor deeper timber fixing where a 70mm or 80mm screw will not reach far enough into the receiving timber.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 40mm, 50mm and 60mm versions are fully threaded. The longer 70mm, 80mm and 100mm screws are partially threaded.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e6mm – larger, deeper timber fixing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 6mm diameter gives you a more substantial screw for larger timber sections and jobs where a smaller 4mm or 5mm screw isn't appropriate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e6 × 100mm – Box of 100\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFor substantial timber-to-timber fixing where a larger diameter screw and good depth are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e6 × 130mm – Box of 50\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFor deeper fixing through thicker timber sections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e6 × 150mm – Box of 50\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe longest option in this range, intended for jobs where significant fixing depth is required through large timber sections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDo not select a 130mm or 150mm screw simply because it is larger. The correct screw depends on the thickness of the material being fixed, the receiving timber and the demands of the connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor structural or load-critical connections, use a fixing specifically specified for that application rather than assuming the longest Performance Exterior screw is a structural fixing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWho are these for?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA useful everyday range for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCarpenters\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFencing contractors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLandscapers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBuilders\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProperty maintenance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGeneral trades\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDIY users carrying out exterior timber work\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eDrive size\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe screws use a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePozi countersunk head\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4mm and 5mm screws – PZ2\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e6mm screws – PZ3\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eEach supplier box includes a matching Pozi driver bit.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct details\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eType:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Exterior timber screw\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHead:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pozi countersunk\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFinish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Silver\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCoating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Silver Ruspert 1000-hour corrosion-resistant coating\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDiameters:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4mm, 5mm and 6mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLengths stocked:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 30mm to 150mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDrive:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e PZ2 or PZ3 depending on diameter\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePack quantities:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 50, 100 or 200 depending on size\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e General exterior timber fixing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eChoose the diameter to suit the scale of the job, then choose a length that passes through the material being fixed and gives suitable purchase in the timber behind it.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Wern-wood","offers":[{"title":"4 × 30mm – Box of 200","offer_id":57193699246404,"sku":"PE430CS","price":2.92,"currency_code":"GBP","in_stock":true},{"title":"4 × 40mm – Box of 200","offer_id":57193699279172,"sku":"PE440CS","price":3.5,"currency_code":"GBP","in_stock":true},{"title":"4 × 50mm – Box of 200","offer_id":57193699311940,"sku":"PE450CS","price":4.58,"currency_code":"GBP","in_stock":true},{"title":"5 × 40mm – Box of 200","offer_id":57193699344708,"sku":"PE540CS","price":5.5,"currency_code":"GBP","in_stock":true},{"title":"5 × 50mm – Box of 200","offer_id":57193699377476,"sku":"PE550CS","price":6.26,"currency_code":"GBP","in_stock":true},{"title":"5 × 60mm – Box of 100","offer_id":57193699410244,"sku":"PE560CS","price":4.22,"currency_code":"GBP","in_stock":true},{"title":"5 × 70mm – Box of 100","offer_id":57193699443012,"sku":"PE570CS","price":4.72,"currency_code":"GBP","in_stock":true},{"title":"5 × 80mm – Box of 100","offer_id":57193699475780,"sku":"PE580CS","price":5.72,"currency_code":"GBP","in_stock":true},{"title":"5 × 100mm – Box of 100","offer_id":57193699508548,"sku":"PE5100CS","price":7.72,"currency_code":"GBP","in_stock":true},{"title":"6 × 100mm – Box of 100","offer_id":57193699541316,"sku":"PE6100CS","price":9.56,"currency_code":"GBP","in_stock":true},{"title":"6 × 130mm – Box of 50","offer_id":57193699574084,"sku":"PE6130CS","price":7.5,"currency_code":"GBP","in_stock":true},{"title":"6 × 150mm – Box of 50","offer_id":57193699606852,"sku":"PE6150CS","price":8.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/7068\/7812\/files\/c4bfbfb3-6331-4a85-a5d8-b2de67388432.png?v=1788509624","url":"https:\/\/www.wern-wood.com\/products\/performance-exterior-screws-silver-countersunk","provider":"Wern-Wood","version":"1.0","type":"link"}