M5 x 100mm Performance Plus Exterior Wood Screws

These exterior wood screws have a reinforced double countersunk head, self-countersinking ribs, and a silver Ruspert coating for corrosion resistance. They also feature a milling tread and serrated thread.

• The description claims that the screws reduce head breakage, assist countersinking, improve countersinking, reduce torque, prevent splitting, and reduce the need for pre-drilling.