ForgeFix TechFast Window Baypole screws are self-drilling screws which are suitable for joining bay window and other metal reinforced PVCu sections. They have a wafer head with TORX® compatible recess. Their No.3 drill tip allows self-drilling into steel up to 4mm.These screws are fire resistant and are protected by 'Elementech' corrosion resistant coating, which has been salt spray tested to 1000 hours. They comply with EU safety, health and environmental requirements. TX25 impact bit included.Select Option 4.8 x 100mm Box 1004.8 x 50mm Box 1004.8 x 60mm Box 1004.8 x 70mm Box 1004.8 x 80mm Box 100 Add to Basket Quantity