{"product_id":"5-5-x-25mm-a2-bi-metal-tek-screws-light-steel-no-washer-evo","title":"5.5 x 25mm A2 Stainless Bi-Metal Tek Screws (Box of 200), No Washer","description":"\u003ch2\u003e5.5 x 25mm A2 Bi-Metal Tek Screws - Box of 200\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFixabolt SKU: FB-BMHH5.5-25-3\u003c\/li\u003e\n\u003cli\u003eBox Quantity: 200 screws\u003c\/li\u003e\n\u003cli\u003eConstruction: Bi-metal\u003c\/li\u003e\n\u003cli\u003eBody and Head Material: A2-70 stainless steel\u003c\/li\u003e\n\u003cli\u003eDrill Point Material: Hardened carbon steel\u003c\/li\u003e\n\u003cli\u003eHead Style: Hex head\u003c\/li\u003e\n\u003cli\u003eHex Head Size: 5\/16\"\u003c\/li\u003e\n\u003cli\u003eThread Form: Coarse thread (TEK 3)\u003c\/li\u003e\n\u003cli\u003eThread Length: Full\u003c\/li\u003e\n\u003cli\u003eDrilling Capacity: 1.2 - 4.0mm steel\u003c\/li\u003e\n\u003cli\u003eWasher: None. \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/epdm-bonded-sealing-washers\"\u003eEPDM bonded washers\u003c\/a\u003e sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese \u003cstrong\u003e5.5 x 25mm A2 bi-metal Tek screws\u003c\/strong\u003e combine an A2 stainless steel body and head with a hardened carbon steel drill point. This construction provides the corrosion resistance associated with stainless steel while giving the point the hardness needed to drill consistently through light-gauge steel.\u003c\/p\u003e\n\u003cp\u003eCompared with conventional all-stainless DIN 7504K self-drilling screws, the bi-metal design offers trades a more dependable drilling action in suitable steel thicknesses while retaining an A2 stainless steel body above the fixing surface. They are intended for fastening aluminium sheet, panels and other components to light-gauge mild steel, and may also suit similar sheet-to-steel applications where the stated drilling capacity is appropriate.\u003c\/p\u003e\n\u003cp\u003eThe unwashered hex-head format is suited to applications where a separate sealing washer is not needed or where a compact head arrangement is preferred.\u003c\/p\u003e\n\u003cp\u003eThe coarse TEK 3 thread helps develop a secure fixing in thin steel sections, while the hex drive provides positive engagement for controlled installation.\u003c\/p\u003e\n\u003cp\u003eSee our range of \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/stainless-steel-self-drilling-screws\"\u003estainless steel self-drilling screws\u003c\/a\u003e.\u003c\/p\u003e","brand":"Fixabolt","offers":[{"title":"Default Title","offer_id":57990751748479,"sku":"FB-BMHH5.5-25-3","price":78.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/6885\/0678\/files\/5-5-x-25mm-a2-bi-metal-tek-screws-light-steel-no-washer.webp?v=1784311379","url":"https:\/\/fixabolt.co.uk\/products\/5-5-x-25mm-a2-bi-metal-tek-screws-light-steel-no-washer-evo","provider":"Fixabolt","version":"1.0","type":"link"}