Fasten Master FastenMaster® HeadLOK® 2-7/8" Heavy Duty Spider Drive Flat Head Structural Screw - 50 Count

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 is ideal for many wood-to-wood applications including decks, fences, SIPs, kitchen cabinets and more. the patented SpiderDrive eliminates cam-out and improves installation speed.