3a thread class right-hand 0.563" thread length hexagon head style 2.312" grip length 16 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.506" thread length flat countersunk head style 2.490" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.375" thread length knurled no. 4 head style 32 thread quantity per inch unthreaded portion undercut 0.136 in. dia, 0.750 in. lg passivate surface treated unf thread series
2a thread class right-hand 0.266" thread length knurled no. 1 head style 32 thread quantity per inch unthreaded shank undercut to 0.117 in. dia passivate surface treated unc thread series
3a thread class right-hand 0.560" thread length hexagon head style 2.160" grip length 20 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.813" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3.288" inside diameter 3.684" outside diameter 0.061" major thickness special flat ring style 185000.0 pounds per square inch tensile strength rating phosphate surface treated