3a thread class right-hand flush countersunk head style 0.150" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.505" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength passivate surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.251" grip length passivate sleeve or cadmium sleeve surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.220" grip length 3355 double pounds per square inch shear strength cadmium bolt surface treated