3a thread class right-hand flush countersunk head style 0.682" grip length 24 thread quantity per inch color white on thread end aluminum surface treated unjf thread series
Used on mrap buffalo mk2a2. 2a thread class right-hand 0.750" thread length hexagon head style 20 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 1.172" grip length 95000 single pounds per square inch shear strength color coded white aluminum surface treated unjf thread series