3b thread class flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.281 centimeters grip length 28 thread quantity per inch furnished without bolt unf thread series
3b thread class flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.218 centimeters grip length 28 thread quantity per inch furnished without bolt unf thread series
3a thread class right-hand 4.737" thread length 6.495" overall length 14 thread quantity per inch navy special project cadmium stud thd surface treated ball unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.594 mils grip length color on threads cadmium sleeve surface treated