{"product_id":"3mm-no-4-x-20mm-slotted-raised-countersunk-woodscrew-a2-stainless-din-95","title":"3mm (No.4) x 20mm Slotted Raised Countersunk Wood Screw, A2 Stainless Steel, DIN 95","description":"\u003ch2\u003e\u003cstrong\u003eCorrosion resistant wood screw\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCorrosion resistant 3 x 20mm slot raised countersunk wood screw manufactured from A2 stainless steel that provides excellent corrosion resistance, making it perfect for both indoor and outdoor applications.\u003c\/p\u003e\n\u003cp\u003eDesigned with a raised countersunk head that provides a flush but slightly domed finish, a strong thread for great pull-out resistance, shank for strength, and a slot drive which makes them compatibility with standard flat-blade screwdrivers.\u003c\/p\u003e\n\u003cp\u003eA combination that sees these \u003ca href=\"https:\/\/www.fusionfixings.co.uk\/collections\/a2-stainless-steel-slot-raised-countersunk-woodscrews\" rel=\"noopener\" target=\"_blank\"\u003estainless-steel wood screws\u003c\/a\u003e widely used across many sectors by DIY enthusiasts and professionals alike.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e20mm raised countersunk wood screw specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDiameter \u003cstrong\u003e(D)\u003c\/strong\u003e: 3mm (No.4)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLength \u003cstrong\u003e(L)\u003c\/strong\u003e: 20mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThread length \u003cstrong\u003e(TL)\u003c\/strong\u003e: 12mm approx.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHead width \u003cstrong\u003e(HW)\u003c\/strong\u003e: 5.9mm max\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDomed head height \u003cstrong\u003e(HH)\u003c\/strong\u003e: 0.75mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDrive type \u003cstrong\u003e(DT)\u003c\/strong\u003e: Slot\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaterial: A2 stainless steel\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStandard: DIN 95\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e20mm raised countersunk wood screw benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA2 Stainless Steel for high corrosion resistance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRaised countersunk head for a flush but slightly domed finish\u003c\/li\u003e\n\u003cli\u003eSuitable for a variety of materials, including wood, chipboard, and MDF\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVersatile uses for both indoor and outdoor applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePart of a larger range of \u003ca href=\"https:\/\/www.fusionfixings.co.uk\/collections\/traditional-wood-screws\" rel=\"noopener\" target=\"_blank\"\u003ewood screws\u003c\/a\u003e from Fusion Fixings. Quantities start from just one to as many as you need to get the job done, with bulk price discounts.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently asked questions about raised countersunk wood screws\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat head finish and appearance should I expect?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe raised countersunk head gives a neat, finished look and sits slightly proud of the surface but blends in nicely. With stainless steel, the finish is silvery and corrosion-resistant, making it suitable for visible fixings where appearance matters\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the “raised countersunk” head do compared to regular countersunk?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA raised countersunk head (sometimes called oval countersunk) means the head is slightly domed above the materials surface and giving a decorative finish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use these screws outdoors or in marine environments?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese screws are manufactured in A2 stainless steel offering a high level of corrosion-resistant, making these screws suitable for many internal and external projects. For areas near salt water and marine environments, A4 stainless steel is recommended for longer lasting results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size pilot hole should I drill?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor hardwoods, a pilot hole slightly smaller than the screw diameter is recommended. For softwoods, the pilot hole can be narrower or sometimes skipped.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan you use stainless wood screws in outdoor, treated, or tannin-rich woods (like cedar\/redwood)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, stainless steel is recommended in treated lumber and tannin-rich woods to prevent staining and corrosion. For coastal areas, A4 stainless steel is the best which offers as much higher level of corrosion resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do stainless fasteners compare in strength to other steels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2 stainless steel offers high corrosion resistance needed for external use, but it is generally not as hard or high tensile as carbon steel. Stainless steel screws are still more than adequate for most wood fixing jobs.\u003cbr\u003e\u003c\/p\u003e","brand":"Fusion Fixings","offers":[{"title":"Qty Price Break - 1","offer_id":42164827947061,"sku":"SLTRSDCSKWS-A2-320","price":0.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0581\/6090\/6293\/files\/Traditional_20Raised_20Countersunk_20A2_3789992b-06dd-44c7-b2de-f3f77da5c0aa.png?v=1697861564","url":"https:\/\/www.fusionfixings.co.uk\/products\/3mm-no-4-x-20mm-slotted-raised-countersunk-woodscrew-a2-stainless-din-95","provider":"Fusion Fixings","version":"1.0","type":"link"}