TechFast Hex/Washer Self Drilling Roof Screw 6.3 x 22mm

Perfect for joining cladding sheets together, these TechFast roof stitching screws have a hex/flange head and a 16mm rubber washer which expands under pressure to form a permanent weather seal. The self-drilling screws can join up to three sheets of 0.7mm thickness.

• Roof stitching screws for sheet-to-sheet use
• Washered hex heads with EPDM washers
• Self-drilling point for faster insertion when joining sheets
• Perfect for joining cladding sheets together
• Can join up to three sheets of 0.7mm thickness
• 16mm rubber washer creates a permanent weather seal
• Elementech corrosion-resistant coating for durability
• Salt spray-tested to 1,000 hours