2a thread class right-hand 0.199" thread length knurled no. 1 head style 24 thread quantity per inch undercut to 0.136 in. dia 0.156 in. from bearingsurface of head cadmium surface treated unc thread series
3a thread class right-hand 0.620" thread length hexagon head style 0.070" hole diameter 24 thread quantity per inch cadmium or zinc surface treated unf thread series
3a thread class right-hand 0.316" thread length hexagon head style 2.125" grip length 28 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.625" thread length 24 thread quantity per inch bend to be flattened to 0.140 in. to 0.156 in. by 0.500 in. wide round bend unf thread series
2a thread class right-hand 0.530" thread length knurled no. 1 head style 32 thread quantity per inch size 4-40 by 0.250 in. deep threaded hole located on center of head passivate surface treated unf thread series
3a thread class right-hand 0.632" thread length hexagon head style 2.500" grip length 24 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.544" thread length hexagon head style 1.438" grip length 28 thread quantity per inch tensile strength at room temperature passivate surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.219" grip length 4530 double pounds per square inch shear strength passivate bolt surface treated
3a thread class right-hand 0.602" thread length hexagon head style 1.485" grip length 24 thread quantity per inch passivate surface treated unf thread series