Everbilt 5/16 in.-18 TPI x 5/8 in. Yellow Zinc-Plated Grade 8 Hex Bolt (2-Pack)

Everbilt's Grade 8 cap screws are recommended for high stress applications and are among the strongest grade of fastener available in steel. The grade 8 bolt is compatible with grade 8 nuts and washers of the same thread pitch and diameter. An alternative for using them without nuts is to install them directly into a compatible female threaded hole.