SHCS Flat Alloy Steel 1/2 -20x3 PK5

Socket Flat Head Cap Screw System of Measurement Inch Flat Basic Material Steel Material Grade Alloy Steel 1/2 In.-20 Length 3 in Fastener Finish Black Oxide Fastener Thread Type UNF (Fine) Drive Type Hex Socket Drive Size 5/16 in Thread Style Partially Threaded Thread Direction Right Hand Min. Thread Length 1 1/2 in Thread Length 1 1/2 in Head Height 0.5 in Thread Dia. 1/2 in Head Angle (Deg.) 82 Degrees Package Quantity 5