Spax Screws Flat Countersunk Head - Zinc-Plated - #8 x 5/8", Pkg 405 Strong-Tie SDW Truss-Ply Screws Dual Thread Design: Cuts deep

Dual Thread Design: Cuts deep and holds strong without anchors or sleeves

The Simpson Strong-Tie CPS is a composite-plastic standoff designed for increased concrete surface area

Built-In Placement Guides: Designed to simplify positioning on common formboard layouts

concealed connection for supporting engineered wood I-joists in a wide variety of framing applications

The type 17 point eliminates pre-drilling and provides quick and easy installation

Spax Screws Flat Countersunk Head - Zinc-Plated - #8 x 5/8", Pkg 405 Strong-Tie SDW Truss-Ply Screws Dual Thread Design: Cuts deepCrafted from Steel with a Zinc Plated finish and synthetic coating, these durable Spax Screws feature a Flat Countersunk Head and serrated cutting threads that eliminate the need for pre drilling. With a versatile Unidrive design, they offer the perfect combination of a Square and Phillips head.