TFHUWSD5540H Sheet to Steel Roofing Screws Hex 5.5 x 40mm Box of 100

Forgefix TechFast Roofing Sheet to Steel Hex Heavy-Duty Screws are designed for joining metal roofing panels to steel frame buildings. They are fire-resistant and corrosion-resistant, protected by an Elementech coating and salt spray tested for 1000 hours. Supplied without washers, these screws are suitable for use with heavy gauge steel and offer self-drilling capability with a No.5 drill tip. The screws are intended for securing roofing sheets, ensuring proper alignment and spacing during installation, and comply with EUSafety, Health and Environmental requirements.

Features

• Fire- and corrosion-resistant design
• Elementech coating for protection
• Salt spray tested to 1000 hours
• Supplied without washers
• No.5 drill tip for self-drilling

Technical specifications

• Size: 5.5 x 40 mm
• Effective thread length: 21 mm
• Head type: 8 mm Hex
• Pack size: 100
• Drill tip: No.5
• Self-drilling in heavy gauge steel up to 12.5 mm thick