Timco 5.5 x 38mm Hex Self-Drilling Screws with EPDM Washer (100pcs)

The Timco Metal Construction Light Section Screws are high-quality, self-drilling fasteners 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 a built-in EPDM washer to provide a secure, weatherproof seal.

Constructed from case & core hardened carbon steel, these screws are exceptionally durable and resistant to wear. The exterior plating (silver organic) offers superior corrosion resistance, withstanding 500 hours of salt-spray testing – making them ideal for outdoor applications where weatherproofing is essential.

Key Features

• Thread Diameter: 5.5mm
• Length: 38mm
• Head Type: Hex for torque efficiency
• Fixed Washer Diameter: 12.00mm (EPDM washer for sealing)
• Point Type: Self-Drilling No.3 for easy penetration
• Socket Size: 8mm for compatibility with standard tools
• Finish: Silver Organic for enhanced corrosion resistance
• Effective Thread Length: 23mm for strong hold
• Max Drilling Thickness: 5.0mm (steel applications)

Suitable for roofing, cladding, and steel frame construction, these screws ensure a long-lasting, vibration-resistant connection.