{"product_id":"jg-timberfast-structural-screw-green-flush-head-6-3mm","title":"JG Timberfast Structural Screw Green Flush Head 6.3mm","description":"\u003cp\u003eJG Timberfast structural screws in 6.3mm diameter offer a flush Torx head design built for timber frame construction, decking, and outdoor structural fixing. The green corrosion-resistant coating makes them suitable for use with treated timber and exposed environments across all standard applications.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eJG Timberfast\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Diameter\u003c\/td\u003e\n\u003ctd\u003e6.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Lengths\u003c\/td\u003e\n\u003ctd\u003e75mm, 100mm, 125mm, 150mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Type\u003c\/td\u003e\n\u003ctd\u003eTorx (flush head)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Profile\u003c\/td\u003e\n\u003ctd\u003eFlush \/ countersunk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating \/ Finish\u003c\/td\u003e\n\u003ctd\u003eGreen corrosion-resistant coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable For\u003c\/td\u003e\n\u003ctd\u003eTreated and untreated structural timber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat it's used for\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTimber frame construction and structural joinery connections\u003c\/li\u003e\n\u003cli\u003eDecking board fixing and subframe assembly\u003c\/li\u003e\n\u003cli\u003eFencing components including rails, posts, and gravel boards\u003c\/li\u003e\n\u003cli\u003eGeneral outdoor carpentry where a flush, neat finish is required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitting and handling\u003c\/h2\u003e\u003cp\u003eThe Torx drive reduces cam-out during installation, which is useful when fixing at pace through hardwoods or dense treated timber. No pre-drilling is required in most softwood applications, but pilot holes are recommended in hardwood or close to timber edges to prevent splitting. Store unused screws in a dry location, as the green coating is corrosion-resistant rather than fully rustproof in prolonged standing water.\u003c\/p\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre these screws suitable for use with pressure-treated timber?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The green coating on JG Timberfast 6.3mm structural screws is designed to resist the corrosive chemicals found in modern pressure-treated and tanalised timber, making them a practical choice for outdoor structural work.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat Torx bit size do I need for 6.3mm Timberfast screws?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eJG Timberfast 6.3mm screws typically require a T30 Torx bit. Check the specific product packaging to confirm, as drive sizes can vary between batches or product ranges.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich length should I choose for decking boards?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFor standard 32mm or 38mm decking boards fixed to a softwood joist, the 100mm length is a common choice, giving good pull-through resistance without over-penetrating the joist. For thicker boards or where greater structural load is expected, the 125mm or 150mm options provide additional holding strength.\u003c\/p\u003e\u003cp\u003ePair these screws with structural and decking timber from our \u003ca href=\"\/collections\/decking\"\u003edecking collection\u003c\/a\u003e at Nottage Timber Merchants. We supply trade and retail customers across Bridgend and South Wales, with next-day delivery available to many local areas.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Are these screws suitable for use with pressure-treated timber?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The green coating on JG Timberfast 6.3mm structural screws is designed to resist the corrosive chemicals found in modern pressure-treated and tanalised timber, making them a practical choice for outdoor structural work.\"}},{\"@type\":\"Question\",\"name\":\"What Torx bit size do I need for 6.3mm Timberfast screws?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"JG Timberfast 6.3mm screws typically require a T30 Torx bit. Check the specific product packaging to confirm, as drive sizes can vary between batches or product ranges.\"}},{\"@type\":\"Question\",\"name\":\"Which length should I choose for decking boards?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For standard 32mm or 38mm decking boards fixed to a softwood joist, the 100mm length is a common choice, giving good pull-through resistance without over-penetrating the joist. For thicker boards or where greater structural load is expected, the 125mm or 150mm options provide additional holding strength.\"}}]}\u003c\/script\u003e","brand":"Nottage Timber Merchants","offers":[{"title":"6.3 X 75 mm","offer_id":53067958583633,"sku":null,"price":11.18,"currency_code":"GBP","in_stock":false},{"title":"6.3 X 100 mm","offer_id":53067963564369,"sku":null,"price":13.7,"currency_code":"GBP","in_stock":true},{"title":"6.3 x 125 mm","offer_id":53067975622993,"sku":null,"price":14.57,"currency_code":"GBP","in_stock":true},{"title":"6.3 x 150 mm","offer_id":53067978309969,"sku":null,"price":15.02,"currency_code":"GBP","in_stock":true},{"title":"6.3 x 200 mm","offer_id":53067981717841,"sku":null,"price":31.61,"currency_code":"GBP","in_stock":true},{"title":"6.3 x 250 mm","offer_id":53067987091793,"sku":null,"price":41.87,"currency_code":"GBP","in_stock":true},{"title":"6.3 x 100 mm (tube10)","offer_id":53067998200145,"sku":null,"price":5.47,"currency_code":"GBP","in_stock":true},{"title":"6.3 x 125 mm (tube10)","offer_id":53068003475793,"sku":null,"price":6.12,"currency_code":"GBP","in_stock":true},{"title":"6.3 x 150 mm (tube10)","offer_id":53068005704017,"sku":null,"price":6.95,"currency_code":"GBP","in_stock":true},{"title":"6.3 x 200 mm (tube10)","offer_id":53068009767249,"sku":null,"price":9.32,"currency_code":"GBP","in_stock":true},{"title":"6.3 x 250 mm (tube10)","offer_id":53068011471185,"sku":null,"price":12.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/1467\/1697\/files\/timberfast-100-1024x768.jpg?v=1771248032","url":"https:\/\/www.timberonline.co.uk\/products\/jg-timberfast-structural-screw-green-flush-head-6-3mm","provider":"Nottage Timber Merchants","version":"1.0","type":"link"}