3a thread class right-hand 0.425" thread length flat countersunk head style 0.678" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.425" thread length flat countersunk head style 0.802" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.425" thread length flat countersunk head style 0.865" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.425" thread length flat countersunk head style 0.740" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 1.177" grip length 0.449 in. second shank diam.cetyl alcohol lubricant; used on F111a cadmium surface treated unjf thread series
3a thread class right-hand 0.425" thread length flat countersunk head style 0.552" grip length 28 thread quantity per inch cadmium surface treated unjf thread series