3a thread class right-hand 0.442" thread length flat countersunk head style 24 thread quantity per inch internal hexagon socket in threaded end 0.1270 in. min unjf thread series
2a thread class right-hand 0.938" thread length hexagon head style 0.062" hole diameter 20 thread quantity per inch zinc surface treated unc thread series
3a thread class right-hand 0.870" thread length dished hexagon head style 4.365" grip length 12 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 2.500" thread length 9 thread quantity per inch furnish with plate assembly, 4.000 in. width, 8.000 in. long, two holes 0.900 in. dia. paint surface treated round bend unc thread series