FastenMaster FMHLGM412-250 HeadLOK Heavy-Duty Flathead Fastener, 4-1/2 Inches, 250-Count,Black

FastenMaster FMHLGM412-250 HeadLOK Heavy-Duty Flathead Fastener, 4-1/2 Inches, 250-Count,Black

• Nationally code compliant stronger design shear values than 3/8 inch lag screws
• No predrilling--zips right in
• Patented Spider Drive virtually eliminates cam-out
• corrosion resistance for the life of the project; ACQ approved

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. 250 piece Length: 4-1/2" 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 Patented SpiderDrive bit in every package Ideal for many wood applications including deck framing, stair stringers, attaching rigid foam (SIPs), cabinets and more.