Used on lube s&c system. 3a thread class right-hand 1.280" thread length hexagon head style 0.070" hole diameter 1.190" grip length 20 thread quantity per inch unjf thread series
Used on mk5 mod24,pu. 3a thread class right-hand 2.500" thread length hexagon head style 32 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.438" thread length flat countersunk head style 0.178" grip length 24 thread quantity per inch passivate surface treated unjf thread series