Timco Self Drilling Hex Roofing Screws 100 Box for Exterior Light Section Steel

These self-drilling screws have a hex head and are perfect for joining roofing sheets to light section steel since they have been coated in a silver protective coating which will protect these screws outdoors.

• No pilot hole is needed which saves time on installation.
• A1 Fire Classification.
• Made from Case & Core Hardened Carbon Steel.
• The finish will resist up to 500 hours of salt spray.