{"product_id":"borrskruv-med-sexkantskalle-fzb","title":"Self-drilling screw with hex head | FZB | DIN 7504K","description":"\u003cdiv\u003e\n\n\u003cdiv\u003e\n\n\u003cdiv\u003e\n\n\u003cdiv\u003e\n\n\u003cdiv\u003e\n\n\u003cdiv style=\"text-align: start;\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eSelf-drilling screw FZB with hex head and flange\u003c\/strong\u003e offers an excellent solution for both industrial and household projects. It is made of hardened, electro-galvanized steel capable of drilling into sheet metal and provides basic corrosion protection in dry indoor environments. The screw's hex head ensures an easy grip and smooth installation. The drill point allows for drilling and threading in one step, saving time and labor.\u003c\/p\u003e\n\n\u003ch2\u003eAPPLICATION AREA\u003c\/h2\u003e\n\n\u003cp\u003eThis self-drilling screw is used for mounting sheet metal to steel profiles, metal, wood, and plastic. It is intended for indoor use and dry, protected environments; for outdoor use, stainless steel or bimetallic screws are recommended. The benefits of using this screw include its ease of installation and long-term durability, which minimizes the need for future maintenance.\u003c\/p\u003e\n\n\u003ch2\u003eTECHNICAL SPECIFICATIONS\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct type:\u003c\/strong\u003e Sheet metal screw\u003cbr\u003e\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN 7504K\u003cbr\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e FZB\u003cbr\u003e\u003cstrong\u003eSurface treatment:\u003c\/strong\u003e Electro-galvanized (FZB)\u003cbr\u003e\u003cstrong\u003eHead shape:\u003c\/strong\u003e Hexagonal\u003cbr\u003e\u003cstrong\u003eDrive type:\u003c\/strong\u003e Hex drive\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n\n\u003ch2\u003eFREQUENTLY ASKED QUESTIONS (FAQ)\u003c\/h2\u003e\n\n\u003ch3\u003eWhat characterizes a self-drilling screw with a hex head and flange (DIN 7504 K)?\u003c\/h3\u003e\n\n\u003cp\u003e\u003cb\u003eDIN 7504 K\u003c\/b\u003e is a robust self-drilling screw designed for heavy-duty metal and sheet metal fastening:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eIntegrated flange:\u003c\/b\u003e The flange under the hex head acts as a built-in washer. It distributes the clamping force over a larger area, providing an extremely strong connection and preventing the screw from pulling through thinner sheet metal.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eSecure tool grip:\u003c\/b\u003e The hex head provides optimal torque transfer without the risk of the socket slipping, making it ideal for fast and powerful series installation using an impact driver or drill driver.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eThree actions in one:\u003c\/b\u003e The drill point drills the hole, cuts the thread, and tightens the connection in a single continuous movement – completely without pre-drilling.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy is electro-galvanized steel (FZB) the right material choice for this type of self-drilling screw?\u003c\/h3\u003e\n\n\u003cp\u003eSelf-drilling screws require very high material hardness for the point to be able to cut through sheet steel and profiles:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eHardened carbon steel:\u003c\/b\u003e The core and the point are case-hardened to ensure the drill point maintains its sharpness and penetrates steel without deforming.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eCorrosion protection FZB (C1-C2):\u003c\/b\u003e The electro-galvanization provides a bright finish and protects the screw against rust in indoor environments, heated premises, dry spaces, and protected building structures.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to install self-drilling screws with a hex head for best results?\u003c\/h3\u003e\n\n\u003col start=\"1\"\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eUse the right socket:\u003c\/b\u003e Use a magnetic hex socket that exactly matches the head's wrench size to keep the screw stable during the drilling phase.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eCheck material thickness:\u003c\/b\u003e Ensure that the thickness of the sheet steel or profile does not exceed the screw's drill point length (typically max 3–6 mm depending on screw dimension). If the material is too thick, the threads may catch before the drill point has fully penetrated.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eAdjust pressure and speed:\u003c\/b\u003e Drill with firm, even pressure and let the drill point work at a medium speed. Ease off the pressure slightly as soon as the flange lands against the surface so that you do not over-tighten the thread in the sheet metal.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Arvid Nilsson","offers":[{"title":"3.5 \/ 9.5","offer_id":48679603863894,"sku":"101240","price":0.3,"currency_code":"SEK","in_stock":true},{"title":"3.5 \/ 13","offer_id":48679603896662,"sku":"101241","price":0.35,"currency_code":"SEK","in_stock":true},{"title":"3.5 \/ 16","offer_id":48679603929430,"sku":"101242","price":0.4,"currency_code":"SEK","in_stock":true},{"title":"3.5 \/ 19","offer_id":48679603962198,"sku":"101243","price":0.45,"currency_code":"SEK","in_stock":true},{"title":"3.5 \/ 25","offer_id":48679604027734,"sku":"101244","price":0.48,"currency_code":"SEK","in_stock":true},{"title":"4.2 \/ 13","offer_id":48679604224342,"sku":"101245","price":0.45,"currency_code":"SEK","in_stock":true},{"title":"4.2 \/ 16","offer_id":48679604257110,"sku":"101246","price":0.48,"currency_code":"SEK","in_stock":true},{"title":"4.2 \/ 19","offer_id":48679604289878,"sku":"101247","price":0.5,"currency_code":"SEK","in_stock":true},{"title":"4.2 \/ 25","offer_id":48679604355414,"sku":"101248","price":0.6,"currency_code":"SEK","in_stock":true},{"title":"4.2 \/ 32","offer_id":48679604388182,"sku":"101249","price":0.7,"currency_code":"SEK","in_stock":true},{"title":"4.8 \/ 13","offer_id":48679604552022,"sku":"101250","price":0.6,"currency_code":"SEK","in_stock":true},{"title":"4.8 \/ 16","offer_id":48679604584790,"sku":"101251","price":0.7,"currency_code":"SEK","in_stock":true},{"title":"4.8 \/ 19","offer_id":48679575880022,"sku":"101252","price":0.8,"currency_code":"SEK","in_stock":true},{"title":"4.8 \/ 22","offer_id":48679604650326,"sku":"101253","price":0.85,"currency_code":"SEK","in_stock":true},{"title":"4.8 \/ 25","offer_id":48679575912790,"sku":"101254","price":0.9,"currency_code":"SEK","in_stock":true},{"title":"4.8 \/ 32","offer_id":48679575945558,"sku":"101255","price":1.1,"currency_code":"SEK","in_stock":true},{"title":"4.8 \/ 38","offer_id":48679575978326,"sku":"101256","price":1.2,"currency_code":"SEK","in_stock":true},{"title":"4.8 \/ 45","offer_id":48679604683094,"sku":"101257","price":1.3,"currency_code":"SEK","in_stock":true},{"title":"4.8 \/ 50","offer_id":48679576011094,"sku":"101258","price":1.4,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0776\/7864\/1494\/files\/rostfri-nu-zinc-plated-self-drilling-screws.jpg?v=1786701860","url":"https:\/\/rostfri.nu\/en\/products\/borrskruv-med-sexkantskalle-fzb","provider":"Rostfri.nu","version":"1.0","type":"link"}