Timco Hex Self-Drilling Screws, 5.5x70mm, Silver Organic (100 Pack)

The Timco Hex Self-Drilling Screws are designed for joining roofing sheets to light section steel (up to 5.0mm thick) without the need for pre-drilling. These screws feature a hex head for easy installation and come with a fixed washer to ensure a secure fit.

Made from case & core hardened carbon steel, these screws offer exceptional strength and durability. The exterior silver organic plating provides a reliable and durable corrosion-resistant coating, capable of withstanding 500 hours of salt-spray testing, making them ideal for outdoor applications.

Key Features:

• Self-drilling point (No. 3): Eliminates the need for pre-drilling, saving time and effort.
• Hex head with 8mm socket size: Ensures a firm grip and easy installation with standard tools.
• Fire Classification A1: Suitable for use in high-temperature environments.

Specifications:

• Thread Diameter: 5.5mm
• Length: 70mm
• Effective Thread Length: 58mm
• Fixed Washer Diameter: 12.00mm
• Max Drilling Thickness: 5.0mm

These screws are perfect for roofing and light steel construction projects, providing a quick and secure fastening solution.