{"product_id":"4-inch-structural-timber-screws-hex-head","title":"4\" Structural Timber Screws - Countersunk (Hex Head)","description":"\u003ch2\u003ePerfect for Roofing, Decking, and Framing Projects!\u003c\/h2\u003e\n\u003cp\u003eUpgrade your construction projects with our \u003cstrong\u003e4\" Structural Timber Screws\u003c\/strong\u003e (also known as \u003cstrong\u003ewood lock screws\u003c\/strong\u003e), designed for versatile applications like securing rafters, trusses, headers, and stair stringers. These heavy-duty screws replace 3\/8-inch lag bolts, eliminating the need for pre-drilling in most cases and significantly reducing installation time. Featuring a sharp point and aggressive coarse threads, they easily penetrate dense wood, while the tapered head allows for seamless countersinking. Installation is quick and easy with just a 5\/16\" hex bit, making these \u003cstrong\u003ehex head timber screws\u003c\/strong\u003e a reliable choice for any project.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f0f0f0; padding: 10px;\"\u003e\n\u003cstrong\u003ePlease Note*\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eMeets the latest ICC standards (ICC-ES ESR-1078)\u003c\/li\u003e\n\u003cli\u003eApproved for use in ACQ or treated lumber\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/Lb_l4w_bAgQ?si=esXsJ1JJkxsO6Xtb\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Length\u003c\/strong\u003e: 4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 3\/16\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWasher Diameter\u003c\/strong\u003e: 15\/32\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Carbon Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlating\u003c\/strong\u003e: Electro Galvanized Zinc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Structural Screws\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterior\/Exterior\u003c\/strong\u003e: Interior\/Exterior\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type\u003c\/strong\u003e: hex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: Coarse\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Pitch\u003c\/strong\u003e: 3 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreads Per Inch (TPI)\u003c\/strong\u003e: 12\u003c\/li\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreat For A Variety of Applications\u003c\/strong\u003e: Ideal for interior or exterior jobs, these screws work great for attaching rafters\/trusses to the top plate, headers, stair stringers, landscaping timbers, \u0026amp; MORE!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster \u0026amp; Easier Installation\u003c\/strong\u003e: Eliminate pre-drilling and speed up projects by replacing 3\/8\" lag bolts and even hurricane straps in a Rafter\/Truss to Plate application with these strong, versatile screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Holding Strength\u003c\/strong\u003e: 2 inch thread length of aggressive coarse threads provide exceptional holding power for dense and treated woods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered Countersinking Head\u003c\/strong\u003e: Ensures smooth and flush installation without additional effort (washer head diameter: 15\/32\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to Use\u003c\/strong\u003e: Sharp point Installs effortlessly with a 5\/16\" hex bit, simplifying any project.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with ACQ or Pressure Treated Lumber\u003c\/strong\u003e: Screws are finished with an Electro Galvanized Zinc coating, ideal for interior or exterior applications.\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\n\u003cstrong\u003eMeets the latest ICC standards (ICC-ES ESR-1078)\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSandbaggy Screws and Fasteners\u003c\/h2\u003e\n\u003cp\u003eSandbaggy delivers professional-grade screws and fasteners engineered for strength, durability, and reliable performance on real job sites. Built tough for construction, concrete, and industrial use—our hardware is made to hold when it matters most.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/DRUbGfjjimw?si=66E09bYrfDkEBb27\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat size hex bit do you install these with?\u003c\/h3\u003e\n\u003cp\u003eYou'll need a 5\/16\" hex bit to install these screws.  Pre-drilling is usually not needed, but if you do need to pre-drill, a 3\/16\" pilot hole is recommended.\u003c\/p\u003e\n\u003ch3\u003eAre these timber screws compatible with pressure treated lumber?\u003c\/h3\u003e\n\u003cp\u003eYes, these timber screws are finished with an Electro Galvanized Zinc coating, making them compatible with ACQ or Pressure Treated Lumber.\u003c\/p\u003e","brand":"Sandbaggy","offers":[{"title":"100 pcs - $0.37 each","offer_id":54916536926580,"sku":"4\"-TimberScrew-100","price":36.56,"currency_code":"USD","in_stock":true},{"title":"200 pcs - $0.25 each","offer_id":54916536959348,"sku":"4\"-TimberScrew-200","price":50.21,"currency_code":"USD","in_stock":true},{"title":"400 pcs - $0.19 each","offer_id":54916536992116,"sku":"4\"-TimberScrew-400","price":77.51,"currency_code":"USD","in_stock":true},{"title":"1000 pcs - $0.18 each","offer_id":54916537024884,"sku":"4\"-TimberScrew-1000","price":178.46,"currency_code":"USD","in_stock":true},{"title":"25000 pcs - $0.17 each","offer_id":54916537057652,"sku":"4\"-TimberScrew-25000","price":4240.01,"currency_code":"USD","in_stock":true},{"title":"50000 pcs - $0.16 each","offer_id":54916537090420,"sku":"4\"-TimberScrew-50000","price":7934.64,"currency_code":"USD","in_stock":true},{"title":"100000 pcs - $0.16 each","offer_id":54916537123188,"sku":"4\"-TimberScrew-100000","price":15523.58,"currency_code":"USD","in_stock":true},{"title":"200000 pcs - $0.15 each","offer_id":54916537155956,"sku":"4\"-TimberScrew-200000","price":30240.13,"currency_code":"USD","in_stock":true},{"title":"4000000 pcs - $0.14 each","offer_id":54916537188724,"sku":"4\"-TimberScrew-4000000","price":556500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2262\/3251\/files\/4_inch_timber_screws_1_b85f148d-9880-4d01-a51b-90b01d808ec2.jpg?v=1783631751","url":"https:\/\/sandbaggy.com\/products\/4-inch-structural-timber-screws-hex-head","provider":"Sandbaggy","version":"1.0","type":"link"}