M4 x 50mm 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 and assist in countersinking.
• The description claims that the screws improve countersinking and provide a flush finish.
• The description claims that the screws are corrosion resistant and reduce torque.
• The description claims that the screws reduce splitting and torque.
• The description claims that the screws reduce splitting and the need for pre-drilling.