Nylock Nut, Nylon Insert Lock Nut, Yellow Zinc, Grade 8 (GR.8)

Threads are molded into the nylon insert locking the bolt into place. Nylon Insert Lock Nuts typically have a cased metal outside formed into a hex pattern easily torqued by a wrench or socket. Yellow Zinc offers a modest amount of corrosion resistance, slightly higher than that of clear zinc.