3a thread class right-hand flush countersunk head style 0.104" hole diameter 1.3125" grip length 32 thread quantity per inch aluminum surface treated unjf thread series
3b thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.188" grip length 20 thread quantity per inch 125000 single pounds per square inch shear strength furnished w/o bolt cadmium expander surface treated unjc thread series
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
3b thread class right-hand flush countersunk head style 0.677" grip length 32 thread quantity per inch 125000 single pounds per square inch shear strength slot 0.270 in. l passivate surface treated unjc thread series