Johnson Duplex Hooks

duplex-hook-diagram

Cast alloy steel duplex hooks are available as an option on J-Blocks and Quick Reeve blocks 80 through 300 ton (standard on models rated 350 tons and above). These hooks adapt directly to the Shorty “J” and Quick Reeve blocks. Design features include Johnson J latches on hooks thru 450 ton and double-bar type hook latches on larger sizes , plus lower bail attachment hole. Forged steel duplex hooks are also available, their prices supplied upon application. Other duplex hook options include anti-rotation locking devices, all models, and lower bails.

MODEL WT. A B C E F H K P U W X
80 310 27 18.500 5.125 4 25 5.625 3.812 5.250 3.562 4.562 10.625
90-110 578 31 21.250 6 5 29.500 6.312 4.625 6 4.187 5.500 13.062
115-140 616 31.312 21.562 6 5 29.500 6.312 4.625 6 4.187 5.500 13.062
150-165 890 32.750 21.812 6.750 6 33 6.750 5.375 6.500 4.687 6.500 19.312
200 1276 37.187 23.500 7.750 7 36.500 7.750 6.375 7.500 6.187 7.500 21.125
250-265 1402 37.375 23.687 7.750 7 36.500 7.750 6.375 7.500 6.187 7.500 21.125
300-350 2407 49.250 31 10 9 46.500 10.062 12 10 7.625 8.750 28.187
450 2431 71.31 45.00 10 8 45.000 n/a n/a 5.00 n/a 10.00 27.67
600 4700 62.562 35.437 14 11 60 12.875 15 14 8.500 10.750 25.750


Standard J-Block W.L.L (Tons) Net Weight Added By Duplex Hook (Lbs)
75-80 31
90-110 179
115-140 40
150-165 97
200 212
250-265 -178
300-325 600
350 *
600 *