3/8″ x 3-1/2″ (25 Pack) Black Carriage Bolt Kit, Grade 307A, Ceramic Coated for Exterior Use, 2X Rust Resistance of Galvanized by Makers Bolt-Fast Shipping

Description

Diameter: 3/8″ | Length: 3-1/2″ | Head diameter: 0.813″ | Nut diameter: 3/8″ | Nut wrench size: 9/16″ | Washer outside diameter: 1″

Kit includes 25 carriage bolts, 25 USS thick washers, 25 hex nuts

5-Layer ceramic black ruspert coating for superior rust resistance (2X protection compared to galvanized)

Grade 307A carriage bolts, grade 2 hex nuts, and USS flat washers

The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications