3/16 3/16 3/16 3/16 1/4 1/4 1/4 1/4 1/4 npt 1/4 npt 1/4 npt socket head wrench size ... static capacity capacity co c [lbf [lbf 5 max allow load [lbf mounting data track ... 250 .250 .312 .312 .375 .375 .437 .437 .500 .500 .562 .562 .625 .625 .687 .750 .875 ... 1.000 1.250 g dia basic number 2 3 4 5 6 430 1,590 .2500 5,000 20 1/8 770 700 ... .34 -16 480 1,590 .2500 5,000 20 1/8 770 700 .34 -18 770 2,500 .3125 ... 5,000 55 1/8 970 1,200 .47 -20 850 2,500 .3125 5,000 55 1/8 970 1,200 .47 -22 1, ... 070 4,150 .4375 .093 5,000 150 3/16 1,800 2,920 .60 -24 1,240 4, ... 150 .4375 .093 5,000 150 3/16 1,800 2,920 .60 -28 1,690 6, ...