FastenMaster HeadLOK Heavy Duty Wood Screw - 500 Count

SKU: FMRHL500-0278
Quick ID: Q14340


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  • Heavy duty wood screws with no need for predrilling
  • Stronger design shear values than 3/8" lags
  • Sharp gimlet point for fast installation into wood and OSB
  • Aggressive thread for holding and withdrawal strength
  • Wafer head eliminates need for washer and offers dramatically increased pull through strength
  • Free Spider Drive bit in every package


FastenMaster HeadLOK is a heavy duty wood screw that does it all and won't countersink. HeadLOK offers higher design shear than 3/8" lag screws...and no predrilling is needed! HeadLOK zips right in and is ideal for many wood-to-wood applications including decks, fences, SIPs, kitchen cabinets and more.

HeadLOK should be installed Using a 1/2" 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.


Sub BrandHeadLOK
Driver Bit IncludedYes
Included AccessoriesSpider Drive bit
Number of Screws500
Package Quantity500
Screw Head StyleWafer head
Manufacturer Part NumberFMHLGM278-500
Compatible ToolsHigh torque, 1/2" variable speed drill (at least 18V if cordless)

Weights and Dimensions

Diameter (Inches).1875
Weight (Pounds)16.4
Length (Inches)2.875

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