G-Fast™ Self-Drill Screw Phillips #3 Black Epoxy Coating #15 * 8 [FM Approved] offers superior strength and durability for a wide variety of applications. The black epoxy coating is FM approved and helps resist corrosion, extending the life of the screw. The Phillips drive and Deckfast technology provide a secure installation, making it ideal for decking, structural construction, and similar projects.
Installation and Application Considerations
Tools: 2000–2500 rpm screw guns with hardened #3 Phillips bit. For structual concrete, 3/16" carbide bit and 1500 rpm max screw guns, or hammer drills in the hammer mode. Structural concrete to be predrilled with standard 3/16" carbide bit to minimum 1/2" deeper than fastener penetration. The standard carton package includes one #3 Phillips bit.
Material Minimum Penetration :
• Steel thickness from 22 ga (0.030 in.) through 18 ga (0.048 in.) : Min penetration : 3/4"