3a thread class right-hand 1.812" thread length 3.062" overall length 20 thread quantity per inch head has center hole 0.203 in. dia; shoulder cut on body dia, 0.500 in. dia by 0.125 in. lg; thded end has 0.250 in. hex socket by 0.250 in. dia of bore by 0.375 in. lg phosphate surface treated ball unf thread series
2a thread class right-hand 1.500" thread length 4.380" overall length 10 thread quantity per inch material 60000 psi min tensile strength chromium surface treated threaded shank ball unc thread series
3b thread class right-hand 2.350" overall length 12 thread quantity per inch six slots, equally spaced, 0.250 in. wd, 0.116 in. dp on hex end ball unjf thread series
2b thread class right-hand 0.341" thread length 0.567" overall length 32 thread quantity per inch navy special project cadmium surface treated ball unc thread series