57mm Roofgrip Screws (Box 200)

Drill, tap & fasten in one operation. This fixing is used for attaching insulation and single ply membrane to standard steel decking and concrete.

Features & Benefits;

• 5.5mm & 6.3mm diameter provides high shear & tensile strength
• Self drilling S point: for thin sheet metal
• Modified buttress thread: high pull-out resistance, reduced risk of stripping thread
• Low profile head reduces damage to underside of membrane
• High corrosion resistance for long life
• Phillips No 3 recess, positive & safe drive system
• stress plates available
• Heavy duty version available for fixing to concrete
• UEATC & FM4470 approved