Exterior-Tite 4.5 x 50mm Exterior Screw, Black - Box of 200

Multi-purpose screw with Net-Coat treatment to protect against corrosion. A twin and single thread in one. The twin offers an easy start whilst the single thread grips firmly in the timber. The high core strength means in will not snap on insertion and will work in the majority of materials without the need to pilot. Suitable for use with outdoor ironmongery, outdoor furniture, pressure-treated timber and fencing. Double-Countersunk without Ribs to Sit Flush in Hinge Carbon Steel Construction Net-Coat B... - Manufacturers part number: 315KH