Socket Set Screw, Semi-Standard, Measurement System: Imperial, 5/8-18 Thread, 4 in Length, Cup Point, Alloy Steel, Plain/Thermal Black Oxide, Hex Drive, UNF Thread, 0.371 in Point, 45-53 HRC Hardness, 5/16 in Drive

ITEM FEATURES:

• Used against hardened shaft or where frequent adjustment are needed and where no locking point is required