2a nut thread thread class right-hand nut thread 2.000" nut thread thread length 6.250" overall length 7 stud thread thread quantity per inch navy special project un nut thread thread series
2a thread class right-hand 0.375" thread length knurled no. 1 head style 20 thread quantity per inch navy special project passivate surface treated unc thread series
3a thread class right-hand 1.090" thread length flat chamfer head style 20 thread quantity per inch passivate fastener surface treated unf thread series
3a thread class right-hand 1.340" thread length flat chamfer head style 20 thread quantity per inch passivate fastener surface treated unf thread series
3a thread class right-hand 0.500" thread length flat countersunk head style 28 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.625" thread length hexagon head style 1.296" grip length 20 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.624" thread length hexagon head style 1.422" grip length 20 thread quantity per inch passivate surface treated unf thread series