Timco 5.5 x 55 Self Drilling Heavy Section Steel - Zinc - EDPM Washer 16mm

Product Code: ZH55W16B
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£15.22 inc. VAT
£12.68 ex. VAT

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Timco 5.5 x 55 Self-Drilling Screw – Zinc – EPDM Washer 16mm

The 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.

Key Features:

  • Self-Drilling Tip – Allows for fast, efficient installation directly into heavy gauge steel, eliminating the need for pilot holes.
  • Heavy Section Steel Compatible – Designed to drill and fix into steel up to 12mm thick, making it ideal for demanding construction and industrial use.
  • Zinc Plated Finish – Provides corrosion resistance suitable for internal and sheltered external applications.
  • 16mm EPDM Washer – Delivers a secure, weatherproof seal to protect against moisture ingress.
  • Strong and Reliable Fixing – Offers excellent holding power and long-lasting performance in metal-to-metal applications.

Specifications:

  • Corrosion Rating (1-5) 1 - Clean, dry & low humidity environments
  • Effective Thread L (mm): 33
  • EPDM Washer (mm): 16
  • Finish: Zinc
  • FW Ø (mm): 12
  • Head Type: Hex
  • Material Case & Core: Hardened Carbon Steel
  • Point Type: Self-Drilling No.5
  • Pack Qty: 100
  • Size (mm): 5.5 x 55
  • Substrates: Steel
  • Thread Type: Metric with V Flutes & Torque Relieving Slash

The 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.