2b second mounting facility thread class right-hand second mounting facility 3.320" overall length 3.250" overall width 32 second mounting facility thread quantity per inch unc second mounting facility thread series
2b thread class right-hand any acceptable overall length 1.406" overall width 18 thread quantity per inch cadmium surface treated straight type w/cable clamp unef thread series
2b thread class right-hand 2.140" overall length 1.188" overall width 24 thread quantity per inch cadmium surface treated straight type w/cable clamp unef thread series