TechFast Hex/Washer Self Drilling Roof Screw 6.3 x 25mm

Perfect for joining metal roofing sheet panels together, these TechFast roof screws are self-drilling up to 2.5mm. They have a smaller No.1 drill tip that can drill through two sheets, then engage the threads to clamp the sheets together under the head.

• Used for joining metal roofing sheet panels together
• Self-drilling in roofing sheet steel up to 2.5mm
• 8mm hex heads with EPDM washers
• Elementech corrosion-resistant coating for durability
• Salt spray-tested to 1,000 hours