flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.907" grip length 11350 double pounds per square inch shear strength
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 26000 single pounds per square inch shear strength anodize or chromate surface treated
3a thread class right-hand 0.338" thread length flat countersunk head style 1.428" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 1.159" thread length dished hexagon head style 1.678" grip length 14 thread quantity per inch cadmium surface treated unjf thread series