2a thread class right-hand 1.250" thread length hexagon head style 20 thread quantity per inch screw, cap, hexagon head zinc surface treated unf thread series
2a thread class right-hand 1.375" thread length hexagon head style 18 thread quantity per inch screw, cap, hexagon head zinc surface treated unf thread series
Used on hemtt family (heavy expanded mobility tactical trucks); 2330-01-303-5197 pls trailer. 0.875" thread length 16 thread quantity per inch material grade 5 steel