5/16"-18 x 5/8" Full Thread Grade 2 Hex Cap Screw – Plain Finish

Manufactured from Grade 2 carbon steel, this 5/16"-18 x 5/8" full thread hex cap screw is designed for general‑purpose fastening applications. Featuring a UNC coarse thread with full‑length threading and a plain finish, it is ideal for light‑duty construction, maintenance, and industrial uses where consistent thread engagement and reliable performance are required.