Threadless Sleeves on Threaded Pins

The standardization of fastening systems utilized in military and commercial aircraft vehicles supports the primary focus of IRAD 7-928 which is to develop and implement aircraft manufacturing technologies and processes best suited for affordability. Swaging lockbolt collars on threaded pins was initiated by St. Louis Phantom Works in August 1997 on the Electromagnetic Riveter (EMR) AFAS Test Bench. The goal of this concept is to develop a robust fastening system which combines the lower panstock cost elements of existing Hi-Lok and Lockbolt hardware.