Timco Metal Const H/S EPDM Washer Hex S/D Screw 5.5 x 65mm PK100 is a robust and reliable fixing solution engineered for metal-to-metal applications in construction, roofing, and cladding. Crafted from high-tensile, corrosion-resistant steel, these screws are designed to withstand demanding environments while maintaining exceptional strength and performance. The hexagonal head offers superior torque control and stability during installation, while the bonded EPDM washer ensures a secure, watertight seal to protect against moisture and corrosion. With its self-drilling point, this screw delivers clean, efficient drilling through steel without pre-drilling—saving time and guaranteeing professional results on every project.