Evolution TSBW5.5-38-5 38mm Heavy Section Tec Screw with 16mm Rubber Washer (Box of 100) by Evolution Fasteners

The Evolution TSBW5.5-38-5 is a 38mm heavy-section self-drilling screw designed for securing cladding, roofing, and liner panels to hot or cold rolled steel. It features a Tek 5 drill point, allowing penetration into steel thicknesses ranging from 4.0mm to 12.0mm without pre-drilling. The hexagonal head design ensures secure driving, while the 16mm bonded EPDM washer provides a watertight seal for external applications.

Key Features

• Tek 5 Drill Point: Self-drilling tip designed for heavy-gauge steel (4.0mm – 12.0mm).
• Hex Head Design: 5/16” drive for high torque application and secure fastening.
• Full Thread Engagement: Fine-threaded shank ensures a strong grip in steel.
• 16mm Bonded EPDM Washer: Protects against water ingress in roofing and cladding.
• High Strength Performance: Ultimate tensile capacity of 15,900N and shear capacity of 12,200N.

Applications

• Fixing roofing and cladding panels to structural steel purlins and rails.
• Securing liner panels and composite systems in steel-framed buildings.
• Suitable for heavy-gauge applications where a strong, self-drilling fixing is required.

Supplied in boxes of 100, this heavy-duty Tek screw ensures reliable fastening in demanding construction environments.