5/8"-18 x 4" Partial Thread Grade 2 Hex Cap Screw – Plain Finish

Manufactured from Grade 2 carbon steel, this 5/8"-18 x 4" partial thread hex cap screw features an unthreaded shank for improved alignment and increased shear strength. Designed with a UNF fine thread and a plain finish, it is ideal for precision fastening applications where controlled clamping, tighter thread engagement, and reliable performance are required in construction, maintenance, and industrial uses.