The screws are ideal for facades, roofing and general steel construction projects. The screws come with a weatherproofed washer that aids water resistance.

Features:

• Underhead non-threaded zone eliminates head shearing off
• Flanged head that allows for over size holes in the sheet metal
• Can be used with EPDM washer that self seals the fixing to prevent water penetration
• Olique angle gash point