3a thread class right-hand 0.516" thread length oval countersunk head style 0.740" grip length 28 thread quantity per inch keyways 1.181 in. min passivate surface treated unjf thread series
bolt, externally relieved body; steel, corrosion srsistant; cadmium plated; no. 1.000-8, unc-2a rh thd, 5.680 in. nom screw thd lg, 6 in. nom fastener lg; 1.469 in. min, 1.500 in. max w between flats, 0.591 in. min, 0.627 in. max head h, 1 externally relieved body dia, 0.840 in.nom 1st dia from head, 0.120 in. nom