2a all threaded hole thread class 2.563" overall length 1.250" overall width 32 all threaded hole thread quantity per inch unc all threaded hole thread series
2b single mounting facility thread class 3.938" overall length 0.875" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
2b single mounting facility thread class 3.938" overall length 0.875" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
2b single mounting facility thread class 3.938" overall length 0.875" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
2b single mounting facility thread class 3.938" overall length 0.875" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series