#17 X 4" Heavy Duty Structural Wood Screws - Exterior Coated Heavy Duty Wood Screws - Use for Fastening Ledger Boards, Large Timbers, Logs and More (50 Approx. Screw Count)

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#17 X 4" Heavy Duty Structural Wood Screws Features

• 4" Heavy Duty Structural Ledger Board Screws - Exterior Coated (50 Count) Structural Screws

• Our Structural Wood Screws Have Drag Reducing Knurled Shoulders for Easier Installation

• These Screws Have a 5/8" Washer Head and a 5/16" Hex Head for More Torque and Easy Installation

• Triple Dipped Coated Timber Screws for Corrosion Resistance and ACQ Treated Lumber Compatibility

• Quality Wood Screw Thread Require Less Torque to Drive the Screw & Provide Maximum Holding Power

About #17 X 4" Heavy Duty Structural Wood Screws

#17 x 4" Gray Structural Ledger Board Wood Screws (50 Count)Timber Screws, Ledger Board ScrewsOver 1000 Hour Salt Spray Test Without any Product FailuresACQ Treated Lumber CompatibleFor Professional Operations & Demanding IndustriesHigh Quality Heat Treated Steel5/8" Washer Head (5/16" Head for More Torque & Easy Installation)Deep, Wide, Sharp Screw Threads Provide Maximum Holding PowerHigh Quality Screw Threads Cut Cleanly & Easily Through Tough MaterialsKnurled Screw Shoulder Lowers Drill Torque RequirementsTriple Dipped Timber Screws for Superior Corrosion ResistanceWasher Head Provides Neat and Clean Finished LookUse with 5/16" Driver BitExcellent Screw for Landscaping Timbers, Log Construction, Ledger Board etc.50 Count Timber Hex Head Black Log Wood ScrewsScrew Engineering Specs :Average Shear Strength of 1238 lbs. Average Pull-Out Strength is 1360 lbs (Screw pull out is a 6" Length screw in wood species:  Yellow Pine Wood)