3a thread class right-hand flush countersunk head style 1.052" grip length 24 thread quantity per inch 108000 single pounds per square inch shear strength top of head has recess hex 0.1582 in. w across the flats, 0.100 in. max dp cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 1.567" grip length 32 thread quantity per inch 125000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3b thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.375" grip length 20 thread quantity per inch 125000 single pounds per square inch shear strength furnished without bolt cadmium expander surface treated unjc thread series
3a thread class right-hand 0.313" thread length flat countersunk head style 0.865" grip length 32 thread quantity per inch navy special project cadmium surface treated unjf thread series
3a thread class right-hand 0.233" thread length flat countersunk head style 32 thread quantity per inch socket drive recess in thread end; 0.115 in. min. 0.135 in. max length; 0.0791 in. min 0.806 in. max width across the flats passivate surface treated unjf thread series
3a thread class right-hand 0.413" thread length dished hexagon head style 2.240" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.320" thread length dished hexagon head style 2.115" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.547" thread length hexagon head style 16 thread quantity per inch concentric hole painted; color white fed-std-595 color no. 17875 paint head surface treated concentric hole unthreaded unf thread series
3a thread class right-hand 0.650" thread length round head style 20 thread quantity per inch finish color black, locking element material zytel 31 oxide surface treated unrc thread series
2a thread class right-hand 1.346" thread length hexagon head style 13 thread quantity per inch blue coated dichromate zinc surface treated unc thread series
