Timco Metal Const H/S EPDM Washer Hex S/D Screw 5.5 x 32mm PK100 is a premium-grade self-drilling screw designed for metal-to-metal fixing applications where strength, sealing, and durability are essential. Manufactured from high-tensile, corrosion-resistant steel, this screw features a hexagonal head for superior torque control and a bonded EPDM washer that provides a watertight seal, protecting against leaks and corrosion. The self-drilling tip ensures quick, clean drilling through metal surfaces without pre-drilling, saving time and improving efficiency. Ideal for roofing, cladding, and general steel construction, these screws deliver long-lasting performance in demanding environments.