FastenMaster HeadLok 6 in. L Spider Flat Head Deck Screws 50 pk

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.
No predrilling
Flat head provides great finished look
The SpiderDrive system contains eight points of contact, maximizing bit fit and reducing stripping
Faster, easier, stronger than 3/8 in. lag screws
Sharp gimlet point for fast installation into wood and OSB
Aggressive thread for holding and withdrawal strength
Non-countersinking head style
Guaranteed corrosion resistance performance
ACQ approved