3a thread class right-hand 0.267" thread length flat countersunk head style 0.865" grip length 28 thread quantity per inch nickel surface treated unjf thread series
2a thread class right-hand 1.078" thread length flat countersunk head style 20 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.407" thread length thumb no. 3 head style 0.070" hole diameter 32 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.875" thread length hexagon head style 0.094" hole diameter 1.125" grip length 18 thread quantity per inch unc thread series