2a thread class right-hand 0.417" thread length flat countersunk head style 24 thread quantity per inch anodize screw surface treated unc thread series
2a thread class right-hand 0.900" thread length flat countersunk head style 20 thread quantity per inch anodize screw surface treated unc thread series
2a thread class right-hand 0.775" thread length flat countersunk head style 20 thread quantity per inch anodize screw surface treated unc thread series
Used on spec item. 2a thread class right-hand 1.750" thread length fillister head style 0.047" hole diameter 24 thread quantity per inch unc thread series
3a thread class right-hand 0.641" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.656" thread length flat countersunk head style 20 thread quantity per inch navy special project passivate screw surface treated unf thread series