Timco Metal Hex Self-Drilling Bi-Metal Screws, 5.5x38mm, 100 Pack

The Timco Metal Hex Self-Drilling Bi-Metal Screws are designed for secure and efficient fastening of roofing sheets to light section steel without the need for pre-drilling. These screws feature a unique bi-metal construction, combining a hardened carbon steel drill tip with an A2-304 austenitic stainless steel body for exceptional durability and corrosion resistance, making them ideal for exterior applications.

The hex head design ensures a firm grip during installation, while the fixed washer provides added stability. With a self-drilling No.3 point, these screws simplify installation by eliminating the need for pilot holes, saving time and effort. They are capable of drilling through materials up to 5.0mm thick.

Features

• Material: Bi-metal (A2-304 stainless steel body and carbon steel tip)
• Drilling Capacity: Up to 5.0mm thickness without pre-drilling
• Hex Head Design: Ensures a secure and stable installation
• Corrosion-Resistant: Suitable for exterior use due to stainless steel composition
• Self-Drilling No.3 Point: Simplifies installation and saves time
• Fixed Washer Dia. mm: 11.00
• Socket Size: 8mm

These screws are perfect for roofing projects, providing a reliable and long-lasting hold even in demanding environments.