3a thread class right-hand 0.505" grip length 28 thread quantity per inch 125000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 1.707" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.505" thread length double hexagon extended washer head style 0.276" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.630" thread length double hexagon extended washer head style 0.370" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.776" thread length double hexagon extended washer head style 0.870" grip length 24 thread quantity per inch unjf thread series
2a thread class right-hand 0.280" thread length knurled no. 4 head style 32 thread quantity per inch medium straight knurl on head passivate surface treated unc thread series
3a thread class right-hand 0.616" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand 0.740" thread length double hexagon extended washer head style 2.440" grip length 28 thread quantity per inch unjf thread series