Everbilt 3/8 in. x 16 tpi x 4 in. Zinc-Plated Grade 8 Cap Screw

These Grade 8 cap Screw are recommended for high stress bolting applications and are the among the strongest grade of fastener available in steel. The grade 8 bolt is compatible with grade 8 nuts and Washer 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.