{"product_id":"timco-5-5-x-55-self-drilling-heavy-section-steel-zinc-edpm-washer-16mm","title":"Timco 5.5 x 55 Self Drilling Heavy Section Steel - Zinc - EDPM Washer 16mm","description":"\u003cp\u003e\u003cstrong\u003eTimco 5.5 x 55 Self-Drilling Screw – Zinc – EPDM Washer 16mm\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Timco 5.5 x 55mm Self-Drilling Screw is engineered for high-strength performance, ideal for attaching metal to heavy section steel up to 12mm thick—without the need for pre-drilling. Complete with a 16mm EPDM washer, it ensures a watertight seal, making it perfect for structural and external cladding applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSelf-Drilling Tip – Allows for fast, efficient installation directly into heavy gauge steel, eliminating the need for pilot holes.\u003c\/li\u003e\n\u003cli\u003eHeavy Section Steel Compatible – Designed to drill and fix into steel up to 12mm thick, making it ideal for demanding construction and industrial use.\u003c\/li\u003e\n\u003cli\u003eZinc Plated Finish – Provides corrosion resistance suitable for internal and sheltered external applications.\u003c\/li\u003e\n\u003cli\u003e16mm EPDM Washer – Delivers a secure, weatherproof seal to protect against moisture ingress.\u003c\/li\u003e\n\u003cli\u003eStrong and Reliable Fixing – Offers excellent holding power and long-lasting performance in metal-to-metal applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCorrosion Rating (1-5) 1 - Clean, dry \u0026amp; low humidity environments\u003c\/li\u003e\n\u003cli\u003eEffective Thread L (mm): 33\u003c\/li\u003e\n\u003cli\u003eEPDM Washer (mm): 16\u003c\/li\u003e\n\u003cli\u003eFinish: Zinc\u003c\/li\u003e\n\u003cli\u003eFW Ø (mm): 12\u003c\/li\u003e\n\u003cli\u003eHead Type: Hex\u003c\/li\u003e\n\u003cli\u003eMaterial Case \u0026amp; Core: Hardened Carbon Steel\u003c\/li\u003e\n\u003cli\u003ePoint Type: Self-Drilling No.5\u003c\/li\u003e\n\u003cli\u003ePack Qty: 100\u003c\/li\u003e\n\u003cli\u003eSize (mm): 5.5 x 55\u003c\/li\u003e\n\u003cli\u003eSubstrates: Steel\u003c\/li\u003e\n\u003cli\u003eThread Type: Metric with V Flutes \u0026amp; Torque Relieving Slash\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Timco 5.5 x 55mm Self-Drilling Screw with EPDM Washer is a professional-grade fastening solution, trusted for speed, strength, and sealing in heavy-duty installations.\u003c\/p\u003e","brand":"Timco","offers":[{"title":"Default Title","offer_id":56285467541846,"sku":"ZH55W16B","price":15.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/5543\/8678\/files\/ZH55W16B-1__16394.jpg?v=1793308563","url":"https:\/\/twwholesale.co.uk\/products\/timco-5-5-x-55-self-drilling-heavy-section-steel-zinc-edpm-washer-16mm","provider":"TWWholesale","version":"1.0","type":"link"}