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FastenMaster has updated its popular its HeadLOK Structural Wood Screws with the TORX ttap Drive System for enhanced installation performance. The TORX ttap is a premium drive system, which combines the ease of a TORX drive with a patented ttap stability button. FastenMaster’s HeadLOK fasteners feature a large flat head design with chamfer for increased strength, a sharp point for faster installation, aggressive thread design for maximum engagement and holding strength, and a 3/16-inch diameter shank that offers higher design shear than 3/8-inch lag screws. Available in lengths of 2-7/8-, 4-1/2-, 6-, 8- and 10-inches, with additional lengths available for special order. HeadLOKs are packaged in 12 pack clamshells, 50 pack boxes, and large quantity (i.e., 250 – 500 piece) buckets. A T30 ttap bit is included in each package.