2a thread class right-hand 1.500" thread length hexagon head style 8 thread quantity per inch drill 2 cotter-pin holes 90 deg porm 10 deg aport un thread series
2a thread class right-hand 2.000" thread length hexagon head style 6.000" grip length 8 thread quantity per inch 0.125 in. by 45 deg chamfer on thd end un thread series
3a thread class right-hand 0.402" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series