Product details:

Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 9, Fastener Finish Zinc Yellow CR+3, Dia. /Thread Size 7/16 In.-20, Fastener Length 3 1/2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNF (Fine), Fastener Thread Style Partially Threaded, Fastener Industry Standards L9 , Head Type Standard, Min.