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FastenMaster- HeadLOK Structural Wood Screw- Size Options

Original price $0.68 - Original price $0.94
Original price
$0.68 - $0.94
Current price $0.68

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

Great For:

  • Deck Framing
  • Stair Framing
  • Attaching rigid foam (SIPs)
  • Fences
  • Kitchen cabinets and more.


  • 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