FastenMaster HeadLok 4-1/2 in. L Spider Flat Head Galvanized Deck Screws 50 pk - 5617253
HeadLok is a heavy duty wood screw that does it all with an internal drive and flat head. 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.