Direct-Seal ZXL with M-Bit has a long-life zinc alloy cap head and carries a lifetime warranty against red rust corrosion on head and washer. The M-Bit mini drill point excels in penetrating multi-thickness materials and is ideal for installations into dimensional lumber, such as metal panel attachment in post-frame construction. The micro-bit engineering helps eliminate slow or no drill and minimizes pigtails providing a cleaner more consistent result. Available in 20+ powder coated colors.