{"product_id":"sfs-bmsd5-s3-14-bi-metal-self-drilling-screw-1-4-x-4-hex-washer-head-250-pack","title":"SFS BMSD5-S3-14 Bi-Metal Self-Drilling Screw - 1\/4\" x 4\" Hex Washer Head (250 Pack)","description":"\u003cp\u003eThe SFS BMSD5-S3-14 is a heavy-duty Bi-Met 300® self-drilling screw engineered for heavy-gauge metal connections, curtain wall systems, building envelope attachments, and other demanding exterior applications. Its bi-metal construction combines corrosion-resistant 304 stainless steel with a hardened carbon steel drill point, delivering exceptional drilling performance while maintaining long-term corrosion resistance.\u003c\/p\u003e\n\u003cp\u003eThe SD5 self-drilling point quickly drills and taps threads in metal up to 5\/16\" thick, helping reduce installation time while providing outstanding holding strength. Silver VistaCoat® provides an additional barrier that helps reduce galvanic corrosion when the fastener is used with aluminum, while the fastener's high ductility helps reduce the risk of delayed embrittlement failures. The hex washer head provides secure tool engagement and dependable load distribution for structural fastening applications.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for heavy-gauge metal connections\u003c\/li\u003e\n\u003cli\u003eBi-Met 300® construction combines 304 stainless steel with a hardened carbon steel drill point\u003c\/li\u003e\n\u003cli\u003eSD5 self-drilling point quickly drills and taps threads in metal up to 5\/16\" thick\u003c\/li\u003e\n\u003cli\u003eHigher drilling capacity than conventional stainless steel fasteners\u003c\/li\u003e\n\u003cli\u003eSilver VistaCoat® helps reduce galvanic corrosion when used with aluminum\u003c\/li\u003e\n\u003cli\u003eHigh ductility helps reduce delayed embrittlement failures\u003c\/li\u003e\n\u003cli\u003eHex washer head provides secure installation and dependable load distribution\u003c\/li\u003e\n\u003cli\u003eSuitable for curtain wall, building envelope, and dissimilar-metal connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e \u003ca href=\"\/products\/sfs-bmsd5-s3-14-bi-metal-self-drilling-screw-1-4-x-2-hex-washer-head-250-pack\"\u003e1\/4\" x 2\"\u003c\/a\u003e and \u003ca href=\"\/products\/sfs-bmsd5-s3-14-bi-metal-self-drilling-screw-1-4-x-4-hex-washer-head-250-pack\"\u003e1\/4\" x 4\"\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SFS","offers":[{"title":"Default Title","offer_id":47617021247666,"sku":"50000121","price":600.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/2540\/2290\/files\/BMSD5-S3-14-4.png?v=1784227827","url":"https:\/\/rapidmaterials.com\/products\/sfs-bmsd5-s3-14-bi-metal-self-drilling-screw-1-4-x-4-hex-washer-head-250-pack","provider":"RapidMaterials","version":"1.0","type":"link"}