General description ForgeFix TechFast Baypole screws are self-drilling screws designed for joining bay windows and other metal-reinforced PVCu sections. They feature a wafer head with a TORX® compatible recess and a No.3 drill tip that allows self-drilling into steel up to 4mm thick. These screws are fire resistant and protected by 'Elementech' corrosion-resistant coating, which has been salt spray tested for 1000 hours. Technical specifications Size: 4.8 x 80mm Pack: Box of 100 Finish: Elementech corrosion-resistant coating Impact bit: Included (TX25) Compatibility and accessories Compatible with steel up to 4mm thick Includes TX25 impact bit for installation Installation Use the included TX25 impact bit for driving the screws into the material. These screws are designed for self-drilling into steel and PVCu sections. Usage Ideal for joining bay windows and metal-reinforced PVCu sections, these screws are suitable for applications requiring fire-resistant and corrosion-protected