Socket Set Screw Mil Spec 300 Series Stainless Steel Finish Passivate per QQ-P-35 Thread Size 4-40 Point Type Cup Drive Type Hex Socket Drive Size 3/64 In Decimal Equivalent 0.050 In Overall Length 3/8 In Point Dia 0.061 to 0.051 In Class 3A Meets MS51021/FF-S-200 Package Quantity 5