{"product_id":"grk-fasteners-pheinox-r4-flat-head-multi-purpose-screw","title":"GRK Fasteners PHEINOX R4 Flat Head Multi-Purpose Screw #10 x 3-1\/8 L in.","description":"\u003cp\u003eGRK’s PHEINOX™ line of stainless steel fasteners feature designs from R4, RSS, Fin\/Trim, and RT Composite screws in corrosion and stain resistant material.\u003c\/p\u003e\n\u003cp\u003eGRK recommends PHEINOX™ 305 stainless steels screws for applications that require superior corrosion resistance in exterior environments with high moisture content, such as docks, boardwalks, pools, and hot tubs.\u003c\/p\u003e\n\u003cp\u003ePHEINOX™ 305 stainless is also recommended for use with cedar, redwood and various other wood species that have higher acid content. PHEINOX™ 305 stainless steels screws are recommended for applications located more than 1 mile from the coast.\u003c\/p\u003e\n\u003cp\u003ePHEINOX™ 316 stainless steels screws are recommended for applications where extreme corrosion resistance is necessary, such as environments with high exposure to chlorides- such as de-icing salts- and in coastal applications within 1 mile of the coast. They are\u003cbr\u003ealso suitable for use in chemically treated wood and naturally-protected wood such as cedar and redwood. \u003c\/p\u003e\n\u003cp\u003ePHEINOX™ 305 Stainless Steel\u003cbr\u003eFor use in cedar, redwood, specialty hardwood, IPE, and Mangaris\u003cbr\u003eCorrosion resistance for wet environments\u003cbr\u003eStain resistant in specialty wood\u003c\/p\u003e","brand":"GRK Fasteners","offers":[{"title":"#10 x 3-1\/8\"","offer_id":44423907180802,"sku":"GRK61737","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/4263\/0146\/files\/product-media-332112.jpg?v=1773857419","url":"https:\/\/farmerslumber.com\/products\/grk-fasteners-pheinox-r4-flat-head-multi-purpose-screw","provider":"Farmers Lumber Company","version":"1.0","type":"link"}