Dimensions: Head Height/Width .469 - Diameter .24" - Length 5" - Use 5/16" Hex Head Bit These screws are a far superior alternative to spikes for greater holding power. Manufactured from high quality heat treated steel and are ACQ treated lumber compatible The black log screw coating passed the 1000 hour salt spray tests without failure Black Log Timber/Landscaping Screws Have Drag Reducing Knurled Shoulders for Easier Installation Jake Sales #14 X 5" Heavy Duty Black Timber/Log/Landscaping Wood Screws - Exterior Coated Heavy Duty Screws. 1 x FULL BOX - 600 Screws

-Dimensions: Head Height/Width .469 - Diameter .24" - Length 5" - Use 5/16" Hex Head Bit
-These screws are a far superior alternative to spikes for greater holding power.
-Manufactured from high quality heat treated steel and are ACQ treated lumber compatible
-The black log screw coating passed the 1000 hour salt spray tests without failure
-Black Log Timber/Landscaping Screws Have Drag Reducing Knurled Shoulders for Easier Installation
-The deep, wide, sharp threads provide maximum holding power require less torque to drive the screw


#14 x 5" Heavy Duty Black Log Timber Screws:
Easier to use than spikes, uses a 5/16 Hex Head driver to drive the screw. Heavy duty black log timber screws are most often used for landscaping timbers, log construction, log homes, and fencing. Shaft diameter measures ~1/4", with an ~ 1/2" washer head and with a 5/16 hex head. Bottom of the head to tip measures ~5". Type 17 self starting tip means easy to start without pre-drilling. Rugged and tough with great holding power. These Heavy Duty Black Log Timber Screws come in a ~600 count package.

Screw Engineering Specs:
Average screw shear strength --1,010 lbf
Average Pull-Out Strength -- 604 lbf