The HeadLOK flat head fastener is a heavy-duty structural wood screw requires no predrilling and offers higher design shear than 3/8" lag screws. HeadLOK zips right in and creates a great finished look.

Applications:

• Deck Framing
• Stair Framing
• Attaching rigid foam (SIPs)
• Fences
• Cabinets
• And so much more!​

Features:

• 3/8” lag screw replacement
• No predrilling
• Flat head provides great finished look
• The SpiderDrive™ System contains eight points of contact, maximizing bit fit and reducing stripping.
• Sharp gimlet point for fast installation into wood and OSB
• Aggressive thread for holding and withdrawal strength

*Free SpiderDrive™ bit in every package

Sold in 50 count boxes.