FastenMaster FlatLok 3-1/2 In. Engineered Structural Wood Screw (50 Ct.)
FlatLok is designed for various multi-ply dimensional and engineered wood connections. Flat head allows for easy finishing including drywall or trim. Approved for single-sided installation. Torx ttap bit is included, reducing the potential for stripping. No pre-drilling. Guaranteed corrosion resistance. ACQ approved. Code compliant.