3a thread class right-hand 0.400" thread length flat countersunk head style 1.115" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.400" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.569" thread length dished hexagon head style 0.428" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
2a thread class 0.097" thread length flat chamfer head style 56 thread quantity per inch thd relieved groove, 1/32 in. radius, undercut to 0.075 in. dia unf thread series
2a thread class right-hand 0.328" thread length flat chamfer head style 80 thread quantity per inch navy special project point extended from thd end 0.012 in. dia by 0.031 in. lg unf thread series
3a thread class right-hand 1.250" thread length pan no. 2 head style 14 thread quantity per inch navy special project phosphate surface treated unf thread series
2a thread class right-hand 0.625" thread length 2.312" overall length 20 thread quantity per inch protect threads from paint paint surface treated round, open unc thread series
