Howmet Fastening Systems Hi-Shear Jiffy Air Tool Andrews Tool Company Snap-On Industrial Rivet-Nut Tools Howmet Panel Fastening Tools US Industrial Sioux Ingersoll Rand Makita Mountz Eidos Precorp Triple-T Howmet Panel Fastening Tools Installation Tooling H8603 D( )T8600 HW7600 © Enfasco Inc. t/a Engineered Fastener Co. 1978 -