2a thread class right-hand 0.217" thread length headless (setscrew) head style 18 thread quantity per inch hole 0.312 in. dia by 0.406 in. lg along longitudinal axis in thd end uns thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 49000 single pounds per square inch shear strength cadmium surface treated
3a thread class right-hand 0.906" thread length double hexagon head style 5.490" grip length 20 thread quantity per inch navy special project cadmium surface treated unjf thread series
2a thread class right-hand 0.097" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.444" thread length dished hexagon head style 0.240" grip length 24 thread quantity per inch with strip or patch or button type element on threads for locking feature unjf thread series
2a thread class right-hand 0.240" thread length hexagon head style 0.062" hole diameter 24 thread quantity per inch navy special project zinc surface treated unf thread series
3a thread class right-hand 0.750" thread length hexagon head style 0.065" hole diameter 0.502" grip length 28 thread quantity per inch unjf thread series
2a thread class right-hand 0.750" thread length square extended washer head style 20 thread quantity per inch head of bolt lead coated unc thread series
2a thread class right-hand 0.367" thread length knurled no. 4 head style 18 thread quantity per inch explosive ordnance disposal tools/equipment unc thread series
2a nut thread thread class right-hand nut thread 0.120" stud thread thread length 1.510" overall length 36 nut thread thread quantity per inch shoulder tapered to 0.172 in. nom dia to nut end shouldered unf nut thread thread series
3a thread class right-hand 0.469" thread length hexagon head style 13 thread quantity per inch navy special project point tapered 45 degrees unc thread series
3a thread class right-hand 1.563" thread length hexagon head style 8 thread quantity per inch navy special project phosphate surface treated un thread series