3a thread class right-hand 0.149" thread length flat countersunk head style 24 thread quantity per inch cadmium or zinc surface treated unc thread series
3a thread class right-hand 0.219" thread length fillister head style 0.046" hole diameter 40 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.210" thread length flat chamfer head style 0.046" hole diameter 32 thread quantity per inch cadmium surface treated unc thread series
2a thread class right-hand 2.110" thread length 3.875" overall length 20 thread quantity per inch eye holes counter bore 0.406 in. dia, 0.093 in. deep phosphate surface treated double, closed unc thread series
3a thread class right-hand 0.220" thread length flat chamfer head style 0.071" hole diameter 28 thread quantity per inch thread relief under shoulder 0.060 in. min, 0.070 in. max lg, 0.196 in. min, 0.200 in. max dia oxide surface treated unf thread series
2a thread class right-hand 1.417" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unc thread series