Timco Velocity Multi-Use Screws PZ Yellow 4.5mm x 80mm are designed for versatility and reliability across a range of construction and DIY applications. Engineered with a sharp, rapid-start point and deep threads, these screws ensure quick penetration and exceptional holding power in timber, chipboard, MDF, and plastic. The yellow zinc plating provides enhanced corrosion resistance, making them suitable for both internal and external use. The Pozidriv (PZ) recess allows for firm grip and reduced cam-out during installation. Each box contains 200 screws, ensuring you have an ample supply for larger projects.