Specification Brand : MAKERS BOLT BulletPoint1 : Diameter: 1/4" | Length: 4" | Head diameter: 0.578" | Nut diameter: 1/4"-20 | Nut wrench size: 7/16" | Washer outside diameter: 47/64" BulletPoint2 : Kit includes 100 Grade 307A carriage bolts, 100 USS thick washers, 100 Grade 2/A hex nuts BulletPoint3 : Hot dip galvanized coating for superior corrosion resistance, Suitable for use in ACQ treaded lumber BulletPoint4 : The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications BulletPoint5 : Meets or Exceeds: ASME B18.5, ASTM A307, ASME B18.2.2, ASTM A563, ASME B18.21.1, ASTM F2329 Color : Grey ExteriorFinish : Hot-Dipped Galvanized ExternallyAssignedProductIdentifier1 : 0810074744478 ExternallyAssignedProductIdentifier2 : 810074744478 ItemName : 1/4" x 4" (100 Pack) Galvanized Carriage Bolt Kit Grade 307A Includes 1/4" USS Flat Washers (100 pcs) and 1/4"-20 Hex Nuts (100 pcs), Hot Dip Galvanized for Exterior Use by Makers Bolt ItemPackageDimensions_Height : 29.9974 centimeters ItemPackageDimensions_Length : 1.1938 centimeters ItemPackageDimensions_Width : 26.0096 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : carriage-bolts Manufacturer : Makers Bolt ModelName : Generic ModelNumber : Domaryo6mqc2gk43 NumberOfItems : 1 PartNumber : CBK2564GV100 ProductDescription : [High Quality] These u clips play a crucial role in linking products, providing a strong and secure connection, for long term use. [Easy Storage] The u nuts are well-organized in a plastic box for convenient storing and carrying, keeping them and easy to access. [ ] With appearance plating treatment, the u clips are strong, sturdy, and to , ensuring a long-lasting performance. [Wide Application] Suitable for motorcycles and automobiles, these 110 pcs u shaped nuts come in 4 common sizes to meet various needs for replacements. [Durable and Reliable] Made of premium 65 manganese steel and 304 stainless steel, these u nuts are strong and reliable, to and damage.