2a thread class right-hand 4.500" thread length hexagon head style 10 thread quantity per inch head drilled for locking wire, steel, grade 5 chromium surface treated unc thread series
3a thread class right-hand 0.425" thread length dished hexagon head style 3.927" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.148" thread length fillister head style 0.060" hole diameter 28 thread quantity per inch passivate screw surface treated hole type drilled unjf thread series
3a thread class right-hand 0.649" thread length flat chamfer head style 0.044" hole diameter 28 thread quantity per inch ceramic surface treated unf thread series