{"title":"Decking Screws","description":"\u003ch2\u003eDecking Screw Selection — Quick Reference\u003c\/h2\u003e\n\u003cp\u003eDecking screws — COUNTERSUNK + SELF-DRILLING for hardwood + softwood + composite deck boards. Specifically designed to draw board tight + sink flush without splitting. Australian decking + outdoor framing applications.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDecking Screw Type\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e304 Stainless Decking Screw\u003c\/td\u003e\n\u003ctd\u003eGeneral outdoor + treated pine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Stainless Decking Screw\u003c\/td\u003e\n\u003ctd\u003eCoastal + marine + saltwater spray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClass 4 Galvanised\u003c\/td\u003e\n\u003ctd\u003eTreated pine + indoor framing only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSquare Drive (SQ2\/SQ3)\u003c\/td\u003e\n\u003ctd\u003eNo cam-out + powered driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorx Drive (T25\/T30)\u003c\/td\u003e\n\u003ctd\u003eMaximum torque + production work\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf-Drilling Tip (Type 17)\u003c\/td\u003e\n\u003ctd\u003eHardwood + no pre-drill\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Sizes (8g x 50mm-75mm)\u003c\/td\u003e\n\u003ctd\u003eMatch to board thickness + grip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eCritical:\u003c\/strong\u003e Use 316 STAINLESS for coastal + treated hardwood (ACQ-treated timber accelerates corrosion of plain galv). Pre-drill hardwood near board edges to prevent splitting. Counter-sink head ~2mm below surface. Brands: \u003ca href=\"\/en-nz\/collections\/bremick\"\u003eBremick\u003c\/a\u003e, \u003ca href=\"\/en-nz\/collections\/hobson\"\u003eHobson\u003c\/a\u003e. Companion: \u003ca href=\"\/en-nz\/collections\/screws\"\u003escrews\u003c\/a\u003e, \u003ca href=\"\/en-nz\/collections\/self-drilling-screws\"\u003eself-drilling screws\u003c\/a\u003e, \u003ca href=\"\/en-nz\/collections\/stainless-fasteners\"\u003estainless fasteners\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eDecking Screws\u003c\/h2\u003e\u003cp\u003eDecking screws are purpose-designed for securing timber and composite decking boards to treated pine or steel frame substructures. AIMS Industrial stocks decking screws in stainless steel (316 grade) and treated pine compatible finishes for residential, commercial and coastal deck construction across Australia.\u003c\/p\u003e\u003ch3\u003eWhy Decking Screws Differ from Standard Screws\u003c\/h3\u003e\u003cp\u003eStandard countersunk screws are not suitable for exposed timber decking. The exposure to moisture, timber movement through seasonal expansion and contraction, and — in treated pine applications — the corrosive effect of the CCA (copper chrome arsenic) or ACQ treatment on mild steel fasteners all demand a purpose-designed fastener. Decking screws are manufactured in corrosion-resistant materials (stainless or appropriately coated), with thread geometry and shank design that accommodate timber movement without loosening or splitting, and head profiles that pull flush without face splitting.\u003c\/p\u003e\u003ch3\u003eThread and Drive Options\u003c\/h3\u003e\u003cp\u003eDecking screws are available with coarse thread for softwood and treated pine, and with a smooth shank below the thread to allow the surface board to float slightly with seasonal movement without cracking. Drive options include Torx\/star drive and square drive, which provide better bit engagement and reduce cam-out compared to Phillips — important for the high-torque driving required into hardwood decking. Self-drilling tips eliminate pre-drilling in treated pine.\u003c\/p\u003e\u003ch3\u003eStainless vs Coated Steel\u003c\/h3\u003e\u003cp\u003eType 316 stainless steel is specified for coastal areas, treated pine and commercial projects where long-term corrosion resistance is non-negotiable. Coated (Climacoat, Duracoat) carbon steel screws are a cost-effective alternative for inland, low-exposure applications. For help selecting the right decking screw for your species, treatment and environment, \u003ca href=\"\/en-nz\/pages\/contact-us\"\u003econtact our team\u003c\/a\u003e. AIMS Industrial has been supporting Australian tradespeople since 1988.\u003c\/p\u003e","products":[{"product_id":"8g-10-x-50mm-304-stainless-steel-square-drive-trim-head-t17-with-ribs-decking-screw-box-of-1000","title":"8G-10 x 50mm 304 Stainless Steel Square Drive Trim Head T17 With Ribs Decking Screw - Box of 1000","description":"\u003cdiv style=\"max-width:680px;width:100%;padding:12px 0;font-family:Arial,sans-serif\"\u003e\u003cdiv style=\"display:grid;grid-template-columns:1fr 1fr;gap:0\"\u003e\n\u003cdiv style=\"padding:0 16px;border-right:1px solid #e0e0e0\"\u003e\n\u003cdiv style=\"display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cspan style=\"font-size:14px;\"\u003e🔩\u003c\/span\u003e\u003cspan style=\"font-size:14px;font-weight:500;color:#333;line-height:1.4\"\u003e304 Stainless Steel Construction\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cspan style=\"font-size:14px;\"\u003e⚙\u003c\/span\u003e\u003cspan style=\"font-size:14px;font-weight:500;color:#333;line-height:1.4\"\u003eSquare Drive Trim Head\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;gap:8px;padding:10px 0;\"\u003e\n\u003cspan style=\"font-size:14px;\"\u003e📐\u003c\/span\u003e\u003cspan style=\"font-size:14px;font-weight:500;color:#333;line-height:1.4\"\u003e50mm Diameter\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:0 16px\"\u003e\n\u003cdiv style=\"display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cspan style=\"font-size:14px;\"\u003e🔧\u003c\/span\u003e\u003cspan style=\"font-size:14px;font-weight:500;color:#333;line-height:1.4\"\u003eSecure Fastening Application\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cspan style=\"font-size:14px;\"\u003e🏗\u003c\/span\u003e\u003cspan style=\"font-size:14px;font-weight:500;color:#333;line-height:1.4\"\u003eMarine \u0026amp; Stainless Applications\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;gap:8px;padding:10px 0;\"\u003e\n\u003cspan style=\"font-size:16px;color:#9e9e9e;\"\u003e☑\u003c\/span\u003e\u003cspan style=\"font-size:14px;font-weight:500;color:#333;line-height:1.4\"\u003eCorrosion Resistant Design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Inox World","offers":[{"title":"Default Title","offer_id":49128479785237,"sku":"A0074103","price":65.94,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5191\/1957\/files\/A0074103.png?v=1755442427"},{"product_id":"imperial-square-drive-countersunk-decking-screw-316-stainless-steel","title":"Imperial Square Drive Countersunk Decking Screw - 316 Stainless Steel","description":"\u003cdiv style=\"max-width:680px;width:100%;padding:8px 0;font-family:Arial,sans-serif\"\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;padding:8px 0\"\u003e\n\u003cdiv style=\"padding:0 8px;display:flex;align-items:flex-start;gap:8px\"\u003e\n\u003cspan style=\"font-size:14px;color:#222;line-height:1.4;flex:0 0 auto\"\u003e◆\u003c\/span\u003e\u003cspan style=\"font-size:14px;color:#333;line-height:1.4\"\u003eMarine-grade 316 stainless for salt and chemical exposure\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:0 8px;display:flex;align-items:flex-start;gap:8px\"\u003e\n\u003cspan style=\"font-size:14px;color:#222;line-height:1.4;flex:0 0 auto\"\u003e●\u003c\/span\u003e\u003cspan style=\"font-size:14px;color:#333;line-height:1.4\"\u003eSize range 8G-15X to 12G-11, lengths 40 mm to 75 mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:0 8px;display:flex;align-items:flex-start;gap:8px\"\u003e\n\u003cspan style=\"font-size:14px;color:#222;line-height:1.4;flex:0 0 auto\"\u003e▲\u003c\/span\u003e\u003cspan style=\"font-size:14px;color:#333;line-height:1.4\"\u003eSquare Drive with countersunk head profile\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:16px\"\u003e\u003cp style=\"font-size:14px;line-height:1.6;color:#333;margin:0\"\u003eGrade 316 stainless steel delivers superior corrosion resistance in marine, chemical and salt-rich environments, so this self tapping screw holds up where 304 will not. Builders and renovators rely on this countersunk screw for timber framing and decking where corrosion resistance matters.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inox World","offers":[{"title":"8G-15X \/ 50 mm \/ 200","offer_id":49283886186773,"sku":"A0074112","price":26.67,"currency_code":"AUD","in_stock":true},{"title":"10G-12 \/ 65 mm \/ 50","offer_id":49283886285077,"sku":"A0074117","price":119.73,"currency_code":"AUD","in_stock":true},{"title":"10G-12 \/ 40 mm \/ 200","offer_id":49283886416149,"sku":"A0074113","price":22.71,"currency_code":"AUD","in_stock":true},{"title":"10G-12 \/ 50 mm \/ 200","offer_id":49283886219541,"sku":"A0074114","price":30.39,"currency_code":"AUD","in_stock":true},{"title":"10G-12 \/ 65 mm \/ 200","offer_id":49283886350613,"sku":"A0074116","price":37.58,"currency_code":"AUD","in_stock":true},{"title":"10G-12 \/ 75 mm \/ 200","offer_id":49283886317845,"sku":"A0074118","price":44.6,"currency_code":"AUD","in_stock":true},{"title":"10G-12 \/ 50 mm \/ 1000","offer_id":49283886252309,"sku":"A0074115","price":159.67,"currency_code":"AUD","in_stock":true},{"title":"12G-11 \/ 65 mm \/ 50","offer_id":49283886383381,"sku":"A0074119","price":123.73,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5191\/1957\/files\/ScrewIMPCsunkSquare316.png?v=1756913638"},{"product_id":"imperial-square-drive-countersunk-decking-screw-304-stainless-steel","title":"Imperial Square Drive Countersunk Decking Screw - 304 Stainless Steel","description":"\u003cdiv style=\"max-width:680px;width:100%;padding:8px 0;font-family:Arial,sans-serif\"\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;padding:8px 0\"\u003e\n\u003cdiv style=\"padding:0 8px;display:flex;align-items:flex-start;gap:8px\"\u003e\n\u003cspan style=\"font-size:14px;color:#222;line-height:1.4;flex:0 0 auto\"\u003e◆\u003c\/span\u003e\u003cspan style=\"font-size:14px;color:#333;line-height:1.4\"\u003eGrade 304 stainless for everyday corrosion resistance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:0 8px;display:flex;align-items:flex-start;gap:8px\"\u003e\n\u003cspan style=\"font-size:14px;color:#222;line-height:1.4;flex:0 0 auto\"\u003e●\u003c\/span\u003e\u003cspan style=\"font-size:14px;color:#333;line-height:1.4\"\u003eFull size range across the group\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:0 8px;display:flex;align-items:flex-start;gap:8px\"\u003e\n\u003cspan style=\"font-size:14px;color:#222;line-height:1.4;flex:0 0 auto\"\u003e▲\u003c\/span\u003e\u003cspan style=\"font-size:14px;color:#333;line-height:1.4\"\u003eSquare Drive with countersunk head profile\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:16px\"\u003e\u003cp style=\"font-size:14px;line-height:1.6;color:#333;margin:0\"\u003eGrade 304 stainless steel delivers reliable corrosion resistance for indoor, outdoor and food-contact use, giving this self tapping screw a long working life in standard Australian conditions. Builders and renovators rely on this countersunk screw for timber framing and decking where corrosion resistance matters.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inox World","offers":[{"title":"8G-10 \/ 50 mm","offer_id":49407238471957,"sku":"A0074104","price":14.03,"currency_code":"AUD","in_stock":true},{"title":"10G-12 \/ 40 mm","offer_id":49407238504725,"sku":"A0074105","price":14.11,"currency_code":"AUD","in_stock":true},{"title":"10G-12 \/ 50 mm","offer_id":49407238537493,"sku":"A0074106","price":16.68,"currency_code":"AUD","in_stock":true},{"title":"10G-12 \/ 65 mm","offer_id":49407238570261,"sku":"A0074108","price":21.57,"currency_code":"AUD","in_stock":true},{"title":"10G-12 \/ 75 mm","offer_id":49407238701333,"sku":"A0074110","price":30.7,"currency_code":"AUD","in_stock":true},{"title":"10G-12-SDSA210GX50R \/ 50 mm","offer_id":49407238668565,"sku":"A0074107","price":96.91,"currency_code":"AUD","in_stock":true},{"title":"10G-12-SDSA210GX65R \/ 65 mm","offer_id":49407238603029,"sku":"A0074109","price":55.13,"currency_code":"AUD","in_stock":true},{"title":"12G-11 \/ 65 mm","offer_id":49407238635797,"sku":"A0074111","price":72.46,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5191\/1957\/files\/imperial-square-drive-countersunk-decking-screw-304-stainless-steel-6894009.png?v=1773124692"}],"url":"https:\/\/aimsindustrial.com.au\/en-nz\/collections\/decking-screws.oembed","provider":"AIMS Industrial Supplies","version":"1.0","type":"link"}