3a thread class right-hand 0.302" grip length 32 thread quantity per inch 5380 double pounds per square inch shear strength aluminum surface treated unjf thread series
3a thread class right-hand 0.542" thread length flat countersunk head style 28 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand countersunk w/reverse chamfer head style 0.557" grip length 24 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 1.182" grip length 24 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
flush countersunk head style 0.063" grip length 95000 single pounds per square inch shear strength bare parts only. complete top surface of head shall be powder blasted to produce a surface finish of 50/80 microinches after all manufacturing operations
flush countersunk head style 0.189" grip length 95000 single pounds per square inch shear strength bare parts only. complete top surface of head shall be powder blasted to produce a surface finish of 50/80 microinches after all manufacturing operations
Used on aircraft,b-2 bomber (atb). flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.501" grip length passivate sleeve surface treated
3a thread class right-hand 0.338" thread length pan no. 2 head style 1.490" grip length 32 thread quantity per inch cadmium surface treated unjf thread series