Y-100 - UNC Grade 8 Hex Head Bolt and Hardware Set.

Our Y-100 set is a complete kit of UNC-grade hex head bolts and accessories. Grade 8, consisting of 690 pieces (bolts, nylon-lined nuts, hex nuts, washers, and zinc-plated self-locking washers) is a reliable choice for all your DIY and construction projects. With sizes ranging from 1/4" to 3/8", you can count on the strength of this set for any type of job.