3a thread class right-hand 0.276" thread length undercut pan no. 2 head style 0.438" grip length 32 thread quantity per inch screw, shear, pan head, close tolerence cadmium surface treated unjf thread series
Used on b-52 aircraft. 2.062" inside diameter 2.154" outside diameter 0.049" major thickness special flat ring style 45000.0 pounds per square inch yield strength rating
3a thread class left-hand countersunk cylindrical convex head style 0.005" grip length 28 thread quantity per inch screw, hex head with cross recess cadmium surface treated unjf thread series
Used on safety net nylon 803-5184097 lcs2 cl. right-hand 100.0mm thread length hexagon head style hex head cap screw per mcmaster carr part number has multiple sources m thread series