Check the listing for details. Black TIMBER LOG SCREWS: Hex Drive Screws - Heavy Duty Log Timber Screws 2"-14". Condition: New. Listed at 27.95 USD. Black Timber/Log ScrewsChoose your log screw length, 2" to 14", from the drop down menu Heavy Duty Black Timber/Log Screws are Far Superior to Spikes Manufactured from High Quality Heat Treated Steel, Triple Dipped for Superior Corrosion ResistanceThese Black Log Screws Are ACQ (Treated Lumber) Compatible, Salt Spray Tested Over 1000 hours With No FailuresOur Black Log Timber/Landscaping Screws Have Drag Reducing Knurled Shoulders for Easier InstallationThe Black Timber Log Screw's Hex Head Provides Torque Maximum Torque Quality Wood Screw Thread Require Less Torque to Drive the Screw & Provide Maximum Holding Power1/2“ Washer Head Diameter With a 5/16” Hex Head For More Torque and a Hex Head for Easy InstallationShaft diameter measures 33/128ths of an inch (approximately 1/4")Heavy Duty Black Log Timber Screws are most often used for landscaping, timbers, log construction, log homes, fencing, and other exterior applications Screw Engineering Specs: Average screw shear strength --1,010 lbf Average Pull-Out Strength -- 604 lbf (Screw Pull-Out is Calculated by Screws installed in the Side Grain of a Main Member - Southern Pine) Need Nut Drivers? Please Follow the Link for 5/16" Nut Drivers: 5/16" NUT DRIVERS: 5 pack Jake Sales (a subsidiary of Totoly Jake, Inc.) has been in business since 1977 selling & installing many of the products we currently sell, including; Fencing Supplies, Roofing Products & Construction Fasteners, in the beautiful Flathead Valley. We are located in Kalispell, MT (an hour's drive from Glacier National Park) in Northwest Montana. Jake Sales is not new to selling products online. We have been in the online fulfillment business since 2009. We have continued to pride ourselves in shipping quality products in a timely fashion (paid orders received before 12 noon ship the same day). JakeSales.com prides itself in honest business practices. Thank you for viewing our listing!Black Timber/Log ScrewsChoose your log screw length, 2" to 14", from the drop down menu Heavy Duty Black Timber/Log Screws are Far Superior to Spikes Manufactured from High Quality Heat Treated Steel, Triple Dipped for Superior Corrosion ResistanceThese Black Log Screws Are ACQ (Treated Lumber) Compatible, Salt Spray Tested Over 1000 hours With No FailuresOur Black Log Timber/Landscaping Screws Have Drag Reducing Knurled Shoulders for Easier InstallationThe Black Timber Log Screw's Hex Head Provides Torque Maximum Torque Quality Wood Screw Thread Require Less Torque to Drive the Screw & Provide Maximum Holding Power1/2“ Washer Head Diameter With a 5/16” Hex Head For More Torque and a Hex Head for Easy InstallationShaft diameter measures 33/128ths of an inch (approximately 1/4")Heavy Duty Black Log Timber Screws are most often used for landscaping, timbers, log construction, log homes, fencing, and other exterior applications Screw Engineering Specs: Average screw shear strength --1,010 lbf Average Pull-Out Strength -- 604 lbf (Screw Pull-Out is Calculated by Screws installed in the Side Grain of a Main Member - Southern Pine) Need Nut Drivers? Please Follow the Link for 5/16" Nut Drivers: 5/16" NUT DRIVERS: 5 pack Jake Sales (a subsidiary of Totoly Jake, Inc.) has been in business since 1977 selling & installing many of the products we currently sell, including; Fencing Supplies, Roofing Products & Construction Fasteners, in the beautiful Flathead Valley. We are located in Kalispell, MT (an hour's drive from Glacier National Park) in Northwest Montana. Jake Sales is not new to selling products online. We have been in the online fulfillment business since 2009. We have continued to pride ourselves in shipping quality products in a timely fashion (paid orders received before 12 noon ship the same day). JakeSales.com prides itself in honest business practices. Thank you for viewing our listing!