Unbranded 3/8 in. 16 x 3-1/2 in. Zinc-Plated Grade 8 Cap Screw

These Grade 8-cap screws 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 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.