<p>Shoulder Screw, Imperial, Alloy Steel, Finish Plain, Head Style Knurled, Thread Size 3/8-16, Drive Type Hex Socket, Drive Size 1/4 In., Shoulder Dia. 1/2 In., Shoulder Length 2-1/2 In., Thread Length 5/8 In., Head Dia. 0.729 In. to 0.750 In., Head Height 0.302 In. to 0.312 In., Screw Head Height 1/2 In., Min. Tensile Strength (PSI) 140,000, Shear Strength (PSI) 84000, Class 3A, Rockwell Hardness 32 HRC to 43 HRC, Meets/Exceeds ASME B18.3, Package Quantity 5</p> <p><br /><b>Features</b></p> <ul> <li>Finish: Plain</li> <li>Item: Shoulder Screw</li> <li>Material: Alloy steel</li> <li>Thread Size: 3/8-16</li> <li>Type: Imperial</li> <li>Class: 3A</li> <li>Drive Size: 1/4&quot;</li> <li>Drive Type: Hex Socket</li> <li>Head Style: Knurled</li> <li>Shear Strength (PSI): 84000</li> <li>Thread Length: 5/8&quot;</li> <li>Meets/Exceeds: ASME B18.3</li> <li>Rockwell Hardness: 32 HRC to 43 HRC</li> <li>Min. Tensile Strength (PSI): 140000</li> <li>Shoulder Dia.: 1/2&quot;</li> <li>Head Dia.: 0.729&quot; to 0.750&quot;</li> <li>Head Height: 0.302&quot; to 0.312&quot;</li> <li>Screw Head Height: 1/2&quot;</li> <li>Shoulder Length: 2-1/2&quot;</li> <li>System of Measurement: Inch</li> </ul> <p></p>