Socket Head Cap Screw Hex/Allen Dr 5/16in-18 X 3/4in Black Ox Coat Steel 10PK
Rounded head has splined outer circumference with internal hex drive. Socket head cap screws have cup points that produce a thin edge that digs into hard surfaces for a secure hold..Size: 5/16 inch-18 X 3/4 inchHex (Allen) DriveInstalls using an Allen wrenchCan be used in tight spaces where there may not be room for a socket tool or wrenchOften used in machinery, tools & diesThread Type: Coarse, Thread Class: UNC-3A, Point Style: BluntSpecification(s) Met: ASME B18.