5.5x50mm Tek Roofing Screws – Self Drilling with EPDM Washer (Zinc)

5.5x50mm Self Drilling Tek Screws are designed for fixing metal sheets and roofing panels where a deep and secure fixing is required.

This length is ideal for thicker materials, timber substrates, or multi-layer roofing systems, providing high holding strength and a reliable watertight seal.

The sharp self drilling tip eliminates the need for pre-drilling, while the hex head allows fast and secure installation using a socket driver.

Each screw is fitted with a bonded EPDM washer to create a watertight seal and help prevent leaks in roofing and cladding applications.

• Self drilling point – no pilot hole required
• Bright zinc plated steel construction
• Bonded EPDM washer for a watertight seal
• Hex head drive for secure installation
• Suitable for metal to metal and metal to timber fixing