Clarendon Specialty Fasteners (CSF) is a company that distributes fasteners, components, and seals to the aerospace, motorsport, defense, and industrial markets. It offers aerospace fasteners and precision components, including standard hardware fasteners, and fluid fittings for structural and non-structural applications. The company also provides commercial products, such as panel fasteners, bolts and screws, inserts, nuts, and engineered products, including SEMS, captive screws, quick-release pins, slic pins, etc. CSF delivers design and manufacturing, automatic inventory replenishment, inspection, bespoke kitting, and technical services.