CAMO Hot-Dip Galvanized Heavy Duty Multi-Purpose Hex Head Structural Screws - 5/16"
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Hot-dip galvanized coating offers premium corrosion protection

Type 17 slash point removes board material as it's driven, reducing friction and drive time

Hex head reduces cam outs and drives easy

7/16" hex head with 14.6 mm (0.575") washer locks into a hex driver, allowing you to drive without holding onto the screw

Straight knurl above the thread reduces torque, aiding in driving speed

Code-approved hot-dip galvanized coating is tested to meet ASTM A153, Class D standards and is approved for use with pressure-treated lumber

Use for deck blocking, posts, beams, outdoor structures, and other general construction projects

For interior and exterior use and for coastal applications


CAMO Heavy Duty Multi-Purpose Hex Head Structural Screws start fast with no pre-drilling and drive easily in wood deck posts, beams, handrails, and other general construction projects. They are third-party tested and certified IRB and IRC code-compliant, and are an ideal replacement for traditional 1/2” lag screws and through-bolts. Their 7/16” hex head with 0.575” washer locks into a hex driver, allows you to drive without holding on to the screw. These structural wood screws are hot-dip galvanized for premium corrosion protection.


Manufacturer CAMO
Brand CAMO
Sub Brand Structural
Application Indoor and Outdoor
Code Approval Certified IRC and IBC Code-Compliant
Compatible Materials ACQ Treated Lumber
Drive Size .4375
Driver Bit Included Yes
Finish Hot-Dip Galvanized
Head Type Hex
Material Carbon Steel
Package Includes Screws and (1) 7/16" Hex Drive Bit
Returnable Yes
Screw Drive Type Hex
Screw Head Style Hex
Screw Point Type Type 17 Auger Tip
Warranty Limited Lifetime Warranty


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