761FB02 1/8 3/8-24 0.516 0.500 
761FB03 3/16 7/16-20 0.531 0.563
761FB04 1/4 1/2-20 0.594 0.625
761FB05 5/16 9/16-18 0.672 0.688
761FB06 3/8 5/8-18 0.750 0.750
761FB08 1/2 3/4-16 0.891 0.875
761FB10 5/8 15/16-16 1.000 1.125
761FB12 3/4 1 1/16-16 1.000 1.250
761FB16 1 1 5/16-16 1.000 1.500