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  • FastenMaster HeadLok Heavy Duty Flathead Wood Screws FastenMaster HeadLok Heavy Duty Flathead Wood Screws
  • FastenMaster HeadLok Structural Wood Screw FastenMaster HeadLok Structural Wood Screw

FastenMaster HeadLok Heavy Duty Flathead Fasteners

Quick Overview

FastenMaster HeadLok

The FastenMaster HeadLok is a heavy duty wood screw that does it all and won’t counter sink. The HeadLok offers higher design shear than 3/8” lag screws… and no predrilling is needed! HeadLoks zip right in and are ideal for many wood to wood applications including deck framing, stair stringers, fences, SIPs, kitchen cabinets and more.


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  • FastenMaster HeadLok Heavy Duty Wood Screw
  • 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.
  • Chamfer under head for increased strength.
  • Variety of lengths to match wide range of applications.
  • Wafer head eliminates need for washer and offers dramatically increased pull through strength.
  • Free Spider Drive™ bit in every package.
  • UPC: 608309410577

Additional Information

Package Quantity 50pc or 250pc
Manufacturer Link http://www.fastenmaster.com/product-details/headlok-heavy-duty-flathead-fastener.html
Installation Help http://www.fastenmaster.com/productdetails.aspx?catID=7&prodID=10
Dimensions 2-7/8", 4-1/2" or 6"
Manufacturer FastenMaster
Freight Shipping No

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