Screw Pin Anchor Shackles

Bolt Type Anchor Shackles

Dimensions (inch) for Crosby Anchor Shackles (Screw Pin, Bolt Type and Round Pin)
6-strand Sling dia. Single Leg Sling WLL tons(1) Shackle Size nominal Shackle WLL tons A B C D E F G H LBS each(*)
1/4″ .5 .47 .31 1.13 .25 .78 .61 1.28 1.84 .10
1/4 .65 5/16″ .75 .53 .38 1.22 .31 .84 .75 1.47 2.09 .19
5/16 1.0 3/8″ 1.0 .66 .44 1.44 .38 1.03 .91 1.78 2.49 .31
3/8 1.4 7/16″ 1.5 .75 .50 1.69 .44 1.16 1.06 2.03 2.91 .38
7/16 1.9 1/2″ 2.0 .81 .63 1.88 .50 1.31 1.19 2.31 3.28 .72
1/2 & 9/16
2.5 & 3.2 5/8″ 3.25 1.06 .75 2.38 .63 1.69 1.50 2.94 4.19 1.37
5/8 3.9 3/4″ 4.75 1.25 .88 2.81 .75 2.00 1.81 3.50 4.97 2.35
3/4 5.6 7/8″ 6.5 1.44 1.00 3.31 .88 2.28 2.09 4.03 5.83 3.62
7/8 7.6 1″ 8.5 1.69 1.13 3.75 1.00 2.69 2.38 4.69 6.56 5.03
1 & 1-1/8
9.8 & 12 1-1/8″ 9.5 1.81 1.25 4.25 1.16 2.91 2.69 5.16 7.47 7.41
1-1/4″ 12.0 2.03 1.38 4.69 1.29 3.25 3.00 5.75 8.25 9.50
1-3/8″ 13.5 2.25 1.50 5.25 1.42 3.63 3.31 6.38 9.16 13.53
1-1/4 15 1-1/2″ 17.0 2.38 1.63 5.75 1.54 3.88 3.63 6.88 10.00 17.20
1-3/8 & 1-1/2 18 & 21 1-3/4″ 25.0 2.88 2.00 7.00 1.84 5.00 4.19 8.86 12.34 27.78
1-3/4 28 2″ 35.0 3.25 2.25 7.75 2.08 5.75 4.81 9.97 13.68 45.00
2, 2-1/4, 2-1/2 37, 44, 54 2-1/2″ (2) 55.0 4.13 2.75 10.50 2.71 7.25 5.69 12.87 17.84 86.00
3 77 3″ (3) 85.0 5.00 3.25 13.00 3.00 7.88 6.50 14.36 21.50 154.00
3-1/2″ (3) 120.0 5.25 3.75 14.63 3.62 9.00 8.00 16.50 24.63 265.00
4″ (3) 150.0 5.50 4.25 14.50 4.10 10.00 9.00 18.42 25.69 338.00

(1) Working Loads are for Vertical Hitch and apply to Single Leg Uni-Loc® 6-strand, IWRC wire rope slings
(2) Available as Screw Pin and Bolt Type only
(3) Available as Bolt Type only
(*) Weights are approximate and apply to Screw Pin / Bolt Type respectively
Ultimate shackle strength is 6 times the shackle WLL