M8 x 40mm Bright Zinc Plated Steel Coach Screw M8 x 40mm Bright Zinc Plated Steel Coach Screw Head: Hexagon Head. Finish: Zinc Plated. Single Thread Screw. Used predominantly when fixing to timber in many fencing and joinery applications. Heavy duty fixing. Conforms to DIN571 standards. Traditional hexagon head suitable for use with socket drivers. Zinc Plated for improved durability. Widely used in conjunction with nylon wall plugs in particular, the satellite industry.
