FastenMaster HeadLOK is a heavy duty wood screw that does it all with an internal drive and flat head. HeadLOK offers higher design shear than 3/8″ lag screws and no predrilling is needed. HeadLOK zips right in and creates a great finished look. HeadLOK is ideal for many wood-to-wood applications including decks, fences, kitchen cabinets and more. The patented SpiderDrive 8 point star bit eliminates cam-out and improves installation speed. The sleek black coating and flat headed design make it perfect for those who value superior craftsmanship. HeadLOK is guaranteed to last for the life of the project. Includes 50, 2-7/8 inch flat head wood screws, and 1 SpiderDrive bit. Introduced in 2007, HeadLOK was the industries first flat headed structural fastener to meet code, and has since been trusted by countless PROs and DIYers in all types of applications.

• Versatile structural wood screw, ideal for installing decks, fences and more
• Includes 50, 2-7/8 inch flat head wood screws, and 1 SpiderDrive bit
• The flat head installs flush saving additional time and money – combined with the black coating on the fastener, HeadLOK provides a great finished look.
• Non-countersinking, wide head for increased loads without the need for a washer
• Installs in a fraction of the time versus traditional bolts with fewer steps and less effort
• Replaces 3/8 inch lag bolts with no predrilling required
• Chamfer under head for increased strength
• Specifically heat treated to maximize strength while maintaining ductility
• 2″ of thread for greater holding strength
• Sharp point for fast installation
• SpiderDrive 8 point star bit offers superior bit engagement, maximizing bit fit and reducing stripping
• Tested and supported by engineering data that conforms to the most current ICC standards (ICC-ER ESR-1078) – approved for use in ACQ or treated lumber
• Warrantied for the life of the project