Zinc plated. Looking for a strong and heavy-duty fixing when working with timber? These coach screws are tough, reliable and easy to use - with a sharp tip and coarse thread, they're easy to insert for a firm and secure fit, and the traditional hexagon head allows you to achieve even greater torque with a socket driver. Features Hexagon Head for easy tightening, Single Thread for efficient screwing, Zinc Plated (ZP) for corrosion resistance. Ideal for fixing to timber in fencing and joinery applications. Pack of 10. Brand: ForgeFix, MPN: 10CS830, Size: M8 x 30mm, Thread Type: Single Thread, Head Type: Hexagon Head, Finish: Zinc Plated (ZP), Quantity: 10.