HxHdCpScrw Steel 5.5 1/2 -20 5PK

Hex Head Cap Screw System of Measurement Inch Basic Material Steel Material Grade Grade 5 Fastener Finish Zinc Plated Dia./Thread Size 1/2 In.-20 Fastener Length 5 1/2 in Fastener Thread Direction Right Hand Fastener Thread Type UNF (Fine) Fastener Thread Style Partially Threaded Fastener Industry Standards ASME B18.2.1 Head Type Hex Min. Thread Length 1 1/4 in Head Height 5/16 in Head Width 3/4 in Package Quantity 5