3a thread class right-hand 0.425" thread length dished hexagon head style 0.865" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 1.812" thread length 3.062" overall length 20 thread quantity per inch head has center hole 0.203 in. dia; shoulder cut on body dia, 0.500 in. dia by 0.125 in. lg; thded end has 0.250 in. hex socket by 0.250 in. dia of bore by 0.375 in. lg phosphate surface treated ball unf thread series
2a thread class right-hand 0.107" thread length fillister head style 0.036" hole diameter 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.500" thread length pan no. 2 head style 20 thread quantity per inch head has 10 to 15 ribs per inch configuration is optional cadmium surface treated unc thread series