FastenMaster FMHLGM278-12 HeadLok Heavy-Duty Flathead Fastener, 2-7/8", 12-Pack

FastenMaster HeadLOK is a heavy duty structural wood screw that is ideal for many wood applications including deck framing, stair stringers, attaching rigid foam (SIPs), fences, kitchen cabinets and more. The HeadLOK flat head fastener requires no predrilling and offers higher design shear than 3/8" lag screws. The SpiderDrive System contains 8 points of contact, maximizing bit fit and reducing stripping. HeadLOK zips right in and creates a great finished look.

• 12 Count
• Length: 2-7/8"
• Thread Type: Coarse
• Material: Steel
• Finish: Black
• 3/8” lag screw replacement
• No predrilling
• Flat head provides great finished look
• Sharp gimlet point for fast installation into wood and OSB
• Aggressive thread for holding and withdrawal strength
• Included SpiderDrive bit in every package.

Installation:

• HeadLOK should be installed using a 1/2" high torque drill (18V Cordless or higher), drive the HeadLOK head flush to the surface. No predrilling required when proper end and edge distances are maintained.
• HeadLOK should be installed using an impact driver or high torque 1/2" variable speed drill (minimum 18V if cordless). Choose the proper length fastener so that the threads fully engage the main member (second piece). Bring the washer head flush to wood surface.