{"product_id":"m8-x-160mm-coach-screw-a4-stainless-steel-din-571","title":"M8 x 160mm Coach Screw A4 Stainless Steel DIN 571","description":"\u003ch2\u003e\u003cstrong\u003eCorrosion Resistant Coach Screw\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eHeavy duty coach screws manufactured from marine grade A4 stainless steel for exceptional corrosion resistance. This makes them ideal for both internal and external applications, including marine environments.\u003c\/p\u003e\n\u003cp\u003eCombined with a hex head for installation with a range of conventional tools, and a thick coarse thread for high pull out resistance. This sees the coach screw widely used by professionals and DIY enthusiasts alike.\u003c\/p\u003e\n\u003cp\u003eSpecifically designed for timber applications where a reliable and strong hold is needed every time.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eM8 coach screw specification:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThread Diameter \u003cstrong\u003e(TD): \u003c\/strong\u003eM8 - 8mm\u003c\/li\u003e\n\u003cli\u003eLength\u003cstrong\u003e (L):\u003c\/strong\u003e 160mm\u003c\/li\u003e\n\u003cli\u003eThread Length \u003cstrong\u003e(TL):\u003c\/strong\u003e 125mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHead Width\u003cstrong\u003e (H):\u003c\/strong\u003e 13mm\u003c\/li\u003e\n\u003cli\u003eConformity: DIN 571 Standards\u003c\/li\u003e\n\u003cli\u003eMaterial: Corrosion Resistant A4 Stainless Steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 160mm coach screw is part of a larger range of \u003ca href=\"https:\/\/www.fusionfixings.co.uk\/collections\/metric-a4-stainless-steel-hex-head-coach-screws\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eA4 stainless-steel coach screws\u003c\/a\u003e. All at great prices with bulk discounts across the range.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eFAQs about stainless steel coach screws\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are hex head coach screws used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHex head coach screws are heavy-duty screws designed for securing timber to timber, or timber to metal. The heavy-duty nature of the coach screw sees them commonly used in decking, fencing, roofing, and heavy joinery applications. The hexagonal head allows for higher torque using a spanner or socket for a firm, reliable hold.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow are coach screws different from coach bolts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA coach screw had a pointed tip more like traditional screws and threads directly into wood without a nut. A coach bolt (also called a carriage bolt) has a flat tip, is used with a pre-drilled hole, and passes through the material being secured on the other side with a nut.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use coach screws outside?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, these stainless-steel coach screws are manufactured in A4 stainless steel which offers a very high corrosion resistance, including in salt water environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to drill a pilot hole first?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, with the heavy-duty nature of the coach screw, always pre-drill a pilot hole before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I use a washer under the head?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt’s good practice to use a flat washer beneath the hex head as this spreads the load across a wider area and protects the timber surface.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich material should I choose - BZP, A2, or A4 stainless steel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe coach screws at Fusion Fixings are available in 3 material types which cover a large range of applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBZP (Bright Zinc Plated):\u003c\/strong\u003e Ideal for indoor use or dry conditions.\u003cbr\u003e\u003cstrong\u003eA2 Stainless Steel: \u003c\/strong\u003eGreat for outdoor projects such as fences or decking.\u003cbr\u003e\u003cstrong\u003eA4 Stainless Steel: \u003c\/strong\u003eMarine-grade corrosion resistance and the best choice for coastal or highly corrosive environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use coach screws in brick, block, or concrete?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCoach screws are primarily for timber; however, they can be used in masonry for certain applications if combined with a suitable wall plug or anchor.\u003c\/p\u003e","brand":"Fusion Fixings","offers":[{"title":"Qty Price Break - 1","offer_id":42139285684277,"sku":"COACHWS-MA4-08160","price":2.04,"currency_code":"GBP","in_stock":true},{"title":"Qty Price Break - 5","offer_id":42139285717045,"sku":"COACHWS-MA4-08160","price":1.63,"currency_code":"GBP","in_stock":true},{"title":"Qty Price Break - 10","offer_id":42139285749813,"sku":"COACHWS-MA4-08160","price":1.48,"currency_code":"GBP","in_stock":true},{"title":"Qty Price Break - 25","offer_id":42139285782581,"sku":"COACHWS-MA4-08160","price":1.36,"currency_code":"GBP","in_stock":true},{"title":"Qty Price Break - 50","offer_id":42139285815349,"sku":"COACHWS-MA4-08160","price":1.12,"currency_code":"GBP","in_stock":true},{"title":"Qty Price Break - 100","offer_id":42139285848117,"sku":"COACHWS-MA4-08160","price":0.93,"currency_code":"GBP","in_stock":true},{"title":"Qty Price Break - 200","offer_id":42139285880885,"sku":"COACHWS-MA4-08160","price":0.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0581\/6090\/6293\/files\/Coach_20Screw_20A4_30509aca-e646-44a5-8f24-b8ac0f155802.png?v=1697865460","url":"https:\/\/www.fusionfixings.co.uk\/products\/m8-x-160mm-coach-screw-a4-stainless-steel-din-571","provider":"Fusion Fixings","version":"1.0","type":"link"}