2a thread class right-hand 1.166" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.375" thread length knurled no. 4 head style 20 thread quantity per inch color black; straightknurl oxide fastener surface treated unc thread series
3a thread class right-hand 0.338" thread length pan no. 2 head style 2.615" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.943" grip length 24 thread quantity per inch 125000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.630" grip length 24 thread quantity per inch 125000 single pounds per square inch shear strength white paint on head unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 1.095" grip length passivate or cadmium sleeve surface treated
3a thread class right-hand 0.669" thread length dished hexagon head style 1.240" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.380" thread length flat countersunk head style 32 thread quantity per inch finish color black oxide surface treated unc thread series