<p>Hex Structural Bolt Set, Heavy Hex Head, Grade A563, Carbon Steel, Finish Hot Dipped Galvanized, Thread Size 1/2-13, Overall Length 3-1/2 In., Thread Length 1 In., Thread Type UNC, Thread Direction Right Hand, Head Dia. 7/8 In., Head Height 5/16 In., Tensile Strength (PSI) 105000, Rockwell Hardness C25 to C34/C19 to C30, Meets/Exceeds ASTM A325-1/ASTM A563-DH, Includes Nut, Package Quantity 25</p> <p><br /><b>Features</b></p> <ul> <li>Finish: Hot Dipped Galvanized</li> <li>Includes: Nut</li> <li>Item: Hex Structural Bolt Set</li> <li>Material: Carbon Steel</li> <li>Tensile Strength (PSI): 105,000</li> <li>Thread Size: 1/2&quot;-13</li> <li>Type: Heavy Hex Head</li> <li>Grade: A563</li> <li>Overall Length: 3-1/2&quot;</li> <li>Thread Length: 1&quot;</li> <li>Thread Type: UNC</li> <li>Meets/Exceeds: ASTM A325-1/ASTM A563-DH</li> <li>Rockwell Hardness: C25 to C34/C19 to C30</li> <li>Thread Direction: Right Hand</li> <li>Head Dia.: 7/8&quot;</li> <li>Head Height: 5/16&quot;</li> </ul> <p></p>