3a thread class right-hand 0.594" thread length hexagon head style 0.797" grip length 32 thread quantity per inch passivate surface treated unf thread series
2a thread class right-hand 0.235" thread length modified pan head style 32 thread quantity per inch screw assembly, panel anodize stand-off surface treated unf thread series
2a thread class right-hand 0.690" thread length double hexagon extended washer head style 20 thread quantity per inch zinc surface treated unf thread series
3a thread class right-hand 0.454" thread length dished hexagon head style 2.615" grip length 24 thread quantity per inch passivate surface treated unjf thread series