3a thread class right-hand 0.380" thread length flat countersunk undercut head style 0.552" grip length 32 thread quantity per inch furnished with one o-ring passivate surface treated unjf thread series
3a thread class right-hand 0.375" thread length flat countersunk head style 0.750" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.609" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.230" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 85000 single pounds per square inch shear strength passivate surface treated
3a thread class right-hand 0.310" thread length flat chamfer head style 28 thread quantity per inch head straight knurled passivate surface treated unf thread series