right-hand nut thread 16.2mm stud thread thread length 57.1mm overall length unthreaded point on nut end 5.0mm lg phosphate surface treated shouldered m stud thread thread series
3a thread class right-hand 0.464" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand countersunk w/reverse chamfer head style 0.505" grip length 32 thread quantity per inch 125000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand countersunk w/reverse chamfer head style 0.443" grip length 32 thread quantity per inch 125000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand 0.609" thread length flat chamfer head style 18 thread quantity per inch finish color black oxide fastener surface treated unrc thread series
2a thread class right-hand 0.219" thread length flat countersunk head style 80 thread quantity per inch cadmium screw surface treated unf thread series
