2b thread class right-hand any acceptable overall length any acceptable overall width cadmium surface treated straight type w/cable clamp unef thread series
2a all threaded stud thread class 0.141" all threaded stud thread length 40 all threaded stud thread quantity per inch disc unc all threaded stud thread series
2b second mounting facility thread class right-hand second mounting facility 3.380" overall length 3.090" overall width 32 second mounting facility thread quantity per inch unc second mounting facility thread series