<p>Carriage Bolt,Neck Type Square Neck,Material 18-8 Stainless Steel,Plain Finish,Thread Size 1/2-13,Length 3-1/2 In.,Drill Size 1/2 In.,Head Dia. 1.032 In. to 1.094 In.,Head Height 0.250 In. to 0.270 In.,Head Type Round,Square Height 0.250 In. to 0.281 In.,Square Width 0.492 In. to 0.515 In.,Meets/Exceeds ASME B18.5,Package Quantity 10</p> <p><br /><b>Features</b></p> <ul> <li>Finish: Plain</li> <li>Item: Carriage Bolt</li> <li>Length: 3-1/2&quot;</li> <li>Material: 18-8 Stainless Steel</li> <li>Thread Size: 1/2&quot;-13</li> <li>Drill Size: 1/2&quot;</li> <li>Head Type: Round</li> <li>Meets/Exceeds: ASME B18.5</li> <li>Head Dia.: 1.032&quot; to 1.094&quot;</li> <li>Head Height: 0.250&quot; to 0.270&quot;</li> <li>Square Height: 0.250&quot; to 0.281&quot;</li> <li>Square Width: 0.492&quot; to 0.515&quot;</li> <li>Neck Type: Square</li> </ul> <p></p>