Inserts provide a hard internal thread for soft materials or can be used for thread repair when the original threads are damaged. Inserts are available in self-lockng and non-locking internal threads and come in Inch or Metric sizes.
MS51830 / NAS1394 = KN Series : MS51831 / NAS1395 = KNH Series : MS51832 = KNHXH Series.
Studs provide a nut-end thread designed to transfer high axial loads into soft base materials. The stud or keyed end is installed into the parent material, thus eliminating the need for removing or replacing a bolt.