ZAC Zinc Alloy-Capped Fasteners
ZAC fasteners provide maximum corrosion resistance for metal-to-wood and metal-to-metal applications.
Our Ultra Pro 20 fasteners are backed by a 20-year limited warranty. Their proprietary heat-cured alloy coating is applied to the entire surface of the fastener, offering maximum adhesion and corrosion resistance.
Always choose the appropriate fastener for the thickness and type of material to be drilled for any given application. To ensure optimum fastening performance, a 1900 to 2500 RPM screw gun rated 6 amps or more and fitted with a properly adjusted depth-locating nosepiece should be used. Sufficient pressure must be applied while screw gun is perpendicular to the working area. Overdriving fasteners can lead to leaks and other problems.
A lobe socket grips the fastener on 6 sides to prevent paint chipping which leads to rust. The nosepiece of the drill needs to be set to the correct height for proper washer installation.
Correct: Drive fastener level to metal surface.
Incorrect: Fastener not level with metal surface.
ZAC Metal2Wood Specs
Backed by a limited lifetime warranty, ZAC Metal2Wood fasteners are ideal for highly corrosive environments, such as coastal regions and animal confinements. The zinc alloy-capped head prevents red rust formation.