Used on m2a2 and m3a2 high survivability bfvs. 2a thread class right-hand 2.250" thread length 13 thread quantity per inch screw, mounting unc thread series
3a thread class right-hand 2.496" thread length flat countersunk undercut head style 13 thread quantity per inch cadmium surface treated unc thread series
2a thread class right-hand 0.864" thread length hexagon head style 0.060" hole diameter 18 thread quantity per inch zinc surface treated unc thread series
2a thread class right-hand 0.864" thread length hexagon head style 0.060" hole diameter 18 thread quantity per inch zinc surface treated unc thread series
2a thread class right-hand 0.864" thread length hexagon head style 0.060" hole diameter 24 thread quantity per inch zinc surface treated unf thread series
2a thread class right-hand 0.864" thread length hexagon head style 0.060" hole diameter 24 thread quantity per inch zinc surface treated unf thread series
2a thread class right-hand 0.864" thread length hexagon head style 0.060" hole diameter 24 thread quantity per inch zinc surface treated unf thread series
2a thread class right-hand 0.864" thread length hexagon head style 0.060" hole diameter 18 thread quantity per inch zinc surface treated unc thread series
2a thread class right-hand 0.864" thread length hexagon head style 0.060" hole diameter 18 thread quantity per inch zinc surface treated unc thread series
2a thread class right-hand 0.864" thread length hexagon head style 0.060" hole diameter 18 thread quantity per inch zinc surface treated unc thread series
2a thread class right-hand 0.864" thread length hexagon head style 0.060" hole diameter 18 thread quantity per inch zinc surface treated unc thread series