GRK Fasteners AugerBolt™ Through Bolt Fastening System, 1/2" x 7" Galvanized Heavy-Duty Carriage Bolts, Rust Resistant for Post-to-Beam Connections, 4 Bolts w/Hex Nuts, & Washers (excludes Drill bit)

["One-step Installation: Simplify through bolt fastening and save time by combining drilling and setting into a single motion. Insert the GRK Fasteners auger bit (sold separately) into the patented recessed bolt tip to drill the hole and drive the bolt simultaneously.","Integrated Washer Head: Eliminates the need for a separate washer on the head side","Galvanized For Treated Lumber: Manufactured from heavy-duty galvanized steel, approved for use with pressure-treated lumber. Provides superior rust and corrosion resistance for exterior applications, including deck building, pole barn construction, and outdoor structural framing","Complete Through Bolt Kit: Each package includes AugerBolts, hex nuts, & washers.","Superior To Carriage Bolts: The innovative recessed tip ensures precise alignment and fast drilling, preventing the spinning issues common with round head square neck bolts."]