3a thread class right-hand 0.640" thread length hexagon head style 0.065" hole diameter 16 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 1.433" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
2a thread class right-hand 1.000" thread length hexagon head style 16 thread quantity per inch passivate passivate fastener surface treated unc thread series
3a thread class right-hand 0.750" thread length flat chamfer head style 20 thread quantity per inch navy special project passivate surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.220" grip length 3150 double pounds per square inch shear strength
2a thread class right-hand 1.312" thread length hexagon head style 16 thread quantity per inch item is made of grade 2 steel. chromate zinc surface treated unc thread series