2a thread class right-hand 1.970" thread length 7.455" overall length 20 thread quantity per inch cadmium surface treated round, open unc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.266" grip length 65000 single pounds per square inch shear strength
2a nut thread thread class right-hand nut thread 0.578" nut thread thread length 3.280" overall length 16 nut thread thread quantity per inch navy special project 7stud end has longitudinal split 0.093 in. nom w by 1.792 in. nom lg; stud end 0.500 in. nom across flats by 1.250 in. nom lg; stud end step from thd 0.390 in. nom dia by 0.115 in. nom lg; nut end step from thd 0.285 in. nom dia by 0.094 in. nom lg cadmium surface treated unc nut thread thread series