2a thread class right-hand 0.238" thread length flat countersunk undercut head style 72 thread quantity per inch nickel screw surface treated unf thread series
3a thread class right-hand 0.264" thread length flat countersunk head style 0.428" grip length 28 thread quantity per inch aluminum grommet 0.012 in. thk on bearing surface of head cadmium surface treated unf thread series
2a thread class right-hand 0.341" thread length hexagon head style 24 thread quantity per inch navy special project passivate surface treated unf thread series
2a thread class right-hand 0.375" thread length flat chamfer head style 28 thread quantity per inch head vertically knurled passivate fastener surface treated unf thread series
3a thread class right-hand 1.000" thread length 1.406" overall length 28 thread quantity per inch navy special project passivate surface treated round, closed unf thread series
3a thread class right-hand 0.418" thread length hexagon head style 24 thread quantity per inch with undercuts first between head cadmium surface treated unf thread series
3a thread class right-hand 0.657" thread length hexagon head style 0.070" hole diameter 0.562" grip length 20 thread quantity per inch navy special project unf thread series
