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HeadLOK - Flat Head Structural Wood Screw

HeadLOK Flat Head

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.

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 SpiderDriveā„¢ bit in every package
  • Tested and supported by engineering data that conforms to the most current ICC standards. It is also approved for use in ACQ or treated lumber.

Stocked Sizes

  • HeadLOK Flat Head 2-7/8" 12 pc clamshell (FMHLGM278-12)
  • HeadLOK Flat Head 4 1/2" 12 pc clamshell (FMHLGM412-12)
  • HeadLOK Flat Head 6" 12 pc clamshell (FMHLGM006-12)
Available To Order

    HeadLOK 2-7/8"
  • 50pc box (FMHLGM278-50)
  • 500pc bucket (FMHLGM278-500)
  • HeadLOK 4-1/2"
  • 50pc box (FMHLGM412-50)
  • 250pc bucket (FMHLGM412-250)
  • HeadLOK 6"
  • 12pc clamshell (FMHLGM006-12)
  • 50pc box (FMHLGM006-50)
  • 250pc bucket (FMHLGM006-250)
  • HeadLOK 8"
  • 12pc clamshell (FMHLGM008-12)
  • 50pc box (FMHLGM008-50)
  • 250pc bucket (FMHLGM008-250)
  • HeadLOK 10"
  • 12pc clamshell (FMHLGM010-12)
  • 50pc box (FMHLGM010-50)
  • 250pc bucket (FMHLGM010-250)

Installation: HeadLOK should be installed using a ½" high torque drill (18V Cordless or higher), drive the HeadLOK head flush to the surface. No predrilling required when proper end and edge distances are maintained.

HeadLOK should be installed using an impact driver or high torque 1/2" variable speed drill (minimum 18V if cordless). Choose the proper length fastener so that the threads fully engage the main member (second piece). Bring the washer head flush to wood surface.

PDF Image iconHeadLOC Structural Wood Screw Details

HeadLOC being used in deck board installation
headLOC screws used for stair installation
HeadLOC various packages/sizes

VIDEO REFERENCES COURTESY FASTENMASTER

HeadLOK Flat Head Structural Wood Screw

Learn how HeadLOK Flat head Structural Wood Screw is ideal forfastening a variety of wood applications.