2a thread class right-hand 0.750" thread length hexagon head style 28 thread quantity per inch undercut relief located .075 in. from bearing surface of head, .030 in. lg., .220 in. dia passivate surface treated unf thread series
2a thread class right-hand 0.359" thread length hexagon head style 0.060" hole diameter 28 thread quantity per inch passivate surface treated unf thread series
Used on spec item. 2a thread class right-hand 0.511" thread length hexagon head style 0.060" hole diameter 24 thread quantity per inch passivate surface treated unf thread series