| GENERAL CHARACTERISTICS ITEM DESCRIPTION | DESIGNED PRIMARILY FOR PRODUCTION APPLICATIONS IN ALUMINUM AND MILD STEEL. THE PROCESS INCLUDES DEVELOPMENT OF THE STARTING HOLE,COLD WORKING THE HOLE,AND POST-SIZING OF THE HOLE TO ACCOMMODATE THE REQUIRED INTERFERENCE FASTENER OR FASTENING DEVICE. USED IN A VARIETY OF PULLER UNITS FOR REWORK APPLICATIONS AND HAS COMMONLY BEEN CALLED OUT FOR AIRCRAFT SERVICE BULLETINS |