Twin thread with phosphate finish. Piercing point for fast fixing of plasterboard to light steel or wood studs without pre-drilling. Bugle head sets them to right depth without tearing paper. Flat Head without Nibs 60° Self-Tapping Twin Thread Black-Phosphate...

High quality anodised aluminium construction. Strong, durable and stylish aerodynamic design to reduce wind noise and provide reasonable fuel efficiency. Built to withstand wet weather conditions. Plastic components are UV-treated to extend longevity...