2a thread class right-hand 0.162" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated screw terminates at 45 drgree angle unc thread series
2a thread class right-hand 1.250" thread length flat chamfer head style 16 thread quantity per inch 6 drilled holes in head passivate surface treated unc thread series
2a thread class right-hand 0.889" thread length flat chamfer head style 18 thread quantity per inch 6 drilled holes in head passivate surface treated unc thread series
2a thread class right-hand 1.375" thread length flat chamfer head style 16 thread quantity per inch 6 drilled holes in head passivate surface treated unc thread series
2a thread class right-hand 0.889" thread length flat chamfer head style 16 thread quantity per inch 6 drilled holes in head passivate surface treated unc thread series