Bow Shackles Alloysteel Grade 80

  • Working Load Limit permananetly shown on every shackle.
  • Forged-----Quenched and Temered, with alloy pins.
  • Capacites 1/3 thru 300 tons.
Nominal Size (in.) Working Load Limit *(tons) Dimension(in.) Tolerance +/-
A B C D E F G K L M N P G A
3/16 1/3 .38 .25 .88 .19 .60 .56 .98 1.47 .16 1.12 - .19 .06 .06
1/4 1/2 .47 .31 1.13 .25 .78 .61 1.28 1.84 .19 1.38 1.34 .25 .06 .06
5/16 3/4 .53 .38 1.22 .31 .84 .75 1.47 2.09 .22 1.66 1.59 .31 .06 .06
3/8 1 .66 .44 1.44 .38 1.03 .9 1.78 2.49 .25 2.03 1.86 .38 .13 .06
7/16 11/2 .75 .50 1.69 .44 1.16 1.06 2.03 2.91 .31 2.38 2.13 .44 .13 .06
1/2 2 .81 .63 1.88 .50 1.31 1.19 2.31 3.28 .38 2.69 1.38 .50 .13 .06
5/8 3 1/4 1.06 .75 2.38 .63 1.69 1.50 2.94 4.19 .44 3.34 2.91 .69 .13 .06
3/4 4 3/4 1.25 .88 2.81 .75 2.00 1.81 3.50 4.97 .50 3.97 3.44 .81 .25 .06
7/8 6 1/2 1.44 1.00 3.31 .88 2.28 2.09 4.03 5.83 .50 4.50 3.81 .97 .25 .06
1 8 1/2 1.69 1.13 3.75 1.00 2.69 2.38 4.69 6.56 .56 5.07 4.53 1.06 .25 .06
1 1/8 9 1/2 1.81 1.25 4.25 1.16 2.91 2.69 5.16 7.47 .63 5.59 5.13 1.25 .25 .06
1 1/4 12 2.03 1.38 4.69 1.29 3.25 3.00 5.75 8.25 .69 6.16 5.50 1.38 .25 .06
1 3/8 13 1/2 2.25 1.50 5.25 1.42 3.63 3.31 6.38 9.16 .75 6.84 6.13 1.50 .25 .13
1 1/2 17 2.38 1.63 5.75 1.54 3.88 3.63 6.88 10.00 .81 7.35 6.50 1.62 .25 .13
1 3/2 25 2.88 2.00 7.00 1.84 5.00 4.19 8.86 12.34 1.00 9.08 7.75 2.25 .25 .13
2 35 3.25 2.25 7.75 2.08 5.75 4.81 9.97 13.68 1.22 10.34 8.75 2.40 .25 .13
2 1/2 55 4.13 2.75 10.50 2.71 7.25 5.69 12.87 17.84 1.38 13.00 - 3.13 .25 .25