3a thread class right-hand 0.770" thread length hexagon head style 1.330" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.505" thread length double hexagon extended washer head style 0.339" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.338" thread length hexagon head style 0.046" hole diameter 2.115" grip length 32 thread quantity per inch unjf thread series
3a thread class right-hand 0.573" thread length spline drive shear head head style 3.740" grip length 20 thread quantity per inch passivate surface treated unjf thread series
