Timco Heavy Duty Self-Drilling Screws, Hex Head, 5.5x65mm, EPDM Washer (100pk)

The Timco Heavy Duty Self-Drilling Screws are designed for secure metal-to-metal attachments, specifically for heavy section steel up to 12mm thick, eliminating the need for pre-drilling. These screws feature a robust construction with an EPDM washer for improved weatherproofing and a reliable seal.

Constructed from case & core hardened carbon steel, these screws offer exceptional durability and strength. The exterior plating provides a corrosion-resistant coating capable of withstanding up to 500 hours of salt-spray testing, making them ideal for exterior applications where weather resistance is paramount.

Features:

• Self-Drilling Point (No.5): No pilot hole required, saving time and effort.
• Hex Head Design (8mm Socket Size): Ensures a secure grip with standard tools.
• EPDM Fixed Washer (12mm Diameter): Creates a watertight seal and prevents loosening.
• Exterior Silver Organic Finish: Enhances corrosion resistance for long-term durability.
• Hardened Carbon Steel Material: Provides superior tensile strength and load-bearing capacity.
• Effective Thread Length (43mm): Optimised for gripping power in thick materials.

Ideal for structural metalwork, roofing, cladding, and fencing, these screws are a reliable choice for commercial and industrial applications where strength and weather resistance are essential.