Self-Driller Hex Screws

• Indented hexagon head washer faced self-drilling screw.
• No.3 drill point and case hardened.
• Used with IBR and corrugated sheeting into steel purlins.
• No pre-drilling required.
• Sizes available: No.12 screw gauge or M5.5 x 20, 25, 38, 50, 60, 65 and 70mm.

Division: Heavy Engineering, Light Engineering