Kato Fastening Systems | X-ON
KATO is the original inventor and manufacturer of the bi-directional Tangless® screw thread insert. KATO Fastening Systems, Inc. (KATO) was established in 1997 to serve the North American fastener market. KATO manufactures the revolutionary Tangless® CoilThread Insert, standard CoilThread (tanged) inserts, and Hexatorq (constant torque precision hinges).