<p>Machine Screw, Head Type Round, Carbon Steel, Length 1/2&quot;, Thread Length -, Drive Type Combination Slotted/Phillips, Finish Zinc Plated, Thread Size 1/4-20, Driver Size #3, Head Dia. 0.472&quot;, Head Height 0.175&quot;, Head Angle (Deg.) -, Washer Type -, Washer Material -, Washer O.D. -, Washer Thickness -, Pilot Dia. -, Pilot Length -, Hole Size -, Seal Material -, Temp. Range (F) -, Tensile Strength (PSI) 60,000, Meets/Exceeds ASME B18.6.3, Includes -, Package Quantity 100</p> <p><br /><b>Features</b></p> <ul> <li>Finish: zinc plated</li> <li>Item: Machine Screw</li> <li>Length: 1/2&quot;</li> <li>Material: carbon steel</li> <li>Tensile Strength (PSI): 60,000</li> <li>Thread Size: 1/4-20</li> <li>Drive Type: Combination Slotted/Phillips</li> <li>Driver Size: #3</li> <li>Head Type: Round</li> <li>Meets/Exceeds: ASME B18.6.3</li> <li>Rockwell Hardness: B69 to B100</li> <li>Head Dia.: 0.472&quot;-0.443&quot;</li> <li>Head Height: 0.175&quot;-0.160&quot;</li> <li>System of Measurement: Inch</li> </ul> <p></p>