Oversized top thread traps most loose composite material during installation. Concave underside of head conceals material for clean appearance. Bottom thread and point are designed for maximum pull-down power. Includes spotter installation guide lid engineered to increase fastener installation speed and accuracy and 1 Torx TTAP bit for approx 20 sq ft.
May cause Cancer and/or Reproductive Harm - www.P65Warnings.ca.gov