flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.157" grip length 3350 double pounds per square inch shear strength cadmium or chromate surface treated
3a thread class right-hand 0.316" thread length flat countersunk head style 1.365" grip length 28 thread quantity per inch navy special project passivate surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.906" grip length 5005 single pounds per square inch shear strength mechaincal lock. 0.016 oversized. passivate surface treated