2a thread class right-hand 0.344" thread length fillister head style 0.037" hole diameter 48 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.304" thread length round extended washer head style 36 thread quantity per inch anodize screw surface treated unf thread series
3a thread class right-hand 0.252" thread length round extended washer head style 36 thread quantity per inch anodize screw surface treated unf thread series
3a thread class right-hand 0.272" thread length round extended washer head style 36 thread quantity per inch anodize screw surface treated unf thread series
3a thread class right-hand 0.469" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series