2a thread class right-hand 0.375" thread length flat chamfer head style 32 thread quantity per inch head vertically knurled passivate fastener surface treated unf thread series
3a thread class right-hand 0.255" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength chromate surface treated unjf thread series
2a thread class right-hand 0.750" thread length pan head style 20 thread quantity per inch w/first shoulder passivate surface treated unf thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 0.615" grip length 32 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.464" thread length flat countersunk head style 56 thread quantity per inch navy special project passivate screw surface treated unc thread series
3a thread class right-hand 0.260" thread length flat countersunk undercut head style 40 thread quantity per inch passivate surface treated unc thread series