![PFC9 Hex Locknut, NF -USA](http://www.sterlinghardware.com/cdn/shop/products/00096_450_f57211c8-db7e-4ed0-95ca-605ce168c8d2_{width}x.jpg?v=1575439627)
PFC9 Hex Locknut, NF -USA
Use On Heavy Duty Applications For Greater Clamp Loads. Used With PFC9® Grade 9 Fastening Systems For Match Strength Fastening. PFC9-Caterpillar Hex Locknut, NC. Grade 9 hex locknuts. USA. *CYW - CADMIUM YELLOW WAX PLATING.