Cone Head Drive Screw Nail 75mm X 5.40mm (1kg) Galvanised Cone Head Drive Screw Nail 75mm X 5.40mm (1kg) • Galvanised finish • Easily driven, twist threaded nail best suited for wood joints with substantial lateral or racking loads • Recommended for fastening hard woods and end-grain wood without splitting • Used in conjunction with plastic roofing washers to secure corrugated sheeting • Manufactured to BS1202