Fastenmaster Headlok

Fastenmaster HeadLOK is a heavy duty wood screw that does it all and won’t countersink. 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.