2a single mounting facility thread class right-hand single mounting facility 1.109" overall length 0.859" overall width 48 single mounting facility thread quantity per inch unc single mounting facility thread series
2b thread class right-hand 3.125" overall length 1.750" overall width 18 thread quantity per inch cadmium surface treated straight type w/cable clamp unef thread series
2b thread class right-hand 3.875" overall length 1.469" overall width 18 thread quantity per inch cadmium surface treated straight type w/cable clamp unef thread series