SIMMONDS specialises on self-locking and special nuts and is now a business unit of  HOWMET AEROSPACE Inc. HOWMET Fastening Systems is the premier designer and manufacturer of aerospace and industrial fasteners, latches, bearings, fluid fittings and installation tools. HOWMET products are used on commercial and military aircraft, as well as on jet engines, industrial gas turbines, automobiles, commercial transportation vehicles, wind turbines, solar power systems, and construction and industrial equipment. Widely known brands now offered by  HOWMET AEROSPACE Inc. include Camloc, Delron, Deutsch, Huck, Kaynar, K-Fast, Linread, Mairoll, Marson, Mecaero, Microdot, North Bridge, RAM, Recoil, Republic, Rosán, Screwcorp, Simmonds, Tridair, Valley-Todeco, Van Petty and Voi-Shan.