Turnbuckles are used to adjust bridle sling legs to keep a load level.

Recommended for straight or in-line pull only. Turnbuckles meet ASME B30.26 with a Design Factor of 5:1.

Diagram - Rigging Turnbuckles Crosby

Diagram - Rigging Turnbuckles Crosby
Diagram - Rigging Turnbuckles Crosby
Dia.
&
Take up
inch		 WLL
lbs		 A B G Pin
Dia
OO		 J
open(1)		 K
closed(1)		 R S BB Weight
each
lbs
1/4 x 4 500 .25 .45 .62 .25 11.35 7.35 .78 .34 4.00 .30
5/16 x 4-1/2 800 .31 .54 .87 .25 13.71 8.71 .94 .44 4.50 .50
3/8 x 6 1,200 .38 .65 .87 .31 16.81 10.81 1.12 .53 6.00 .80
1/2 x 6 2,200 .50 .65 1.06 .37 19.29 12.29 1.44 .72 6.00 1.51
9 2,200 .50 .65 1.06 .37 25.29 15.29 1.44 .72 9.00 1.71
12 2,200 .50 .65 1.06 .37 31.29 18.29 1.44 .72 12.00 2.08
5/8 x 6 3,500 .63 .79 1.31 .50 20.99 13.74 1.75 .88 6.00 2.35
9 3,500 .63 .79 1.31 .50 26.99 16.74 1.75 .88 9.00 3.17
12 3,500 .63 .79 1.31 .50 32.99 19.74 1.75 .88 12.00 3.61
3/4 x 6 5,200 .75 .94 1.50 .63 22.69 15.19 2.09 1.00 6.00 4.00
9 5,200 .75 .94 1.50 .63 28.69 18.19 2.09 1.00 9.00 4.75
12 5,200 .75 .94 1.50 .63 34.69 21.19 2.09 1.00 12.00 5.93
18 5,200 .75 .94 1.50 .63 46.69 27.19 2.09 1.00 18.00 7.00
7/8 x 12 7,200 .88 1.13 1.75 .75 39.09 22.34 2.38 1.25 12.00 8.36
18 7,200 .88 1.13 1.75 .75 48.09 28.34 2.38 1.25 18.00 9.75
1 x 6 10,000 1.00 1.34 2.06 .88 26.34 18.34 3.00 1.44 6.00 8.92
12 10,000 1.00 1.34 2.06 .88 38.34 24.34 3.00 1.44 12.00 11.20
18 10,000 1.00 1.34 2.06 .88 50.34 30.34 3.00 1.44 18.00 13.30
24 10,000 1.00 1.34 2.06 .88 62.34 36.34 3.00 1.44 24.00 17.00
1-1/4 x 12 15,200 1.25 1.75 2.81 1.13 41.32 26.82 3.56 1.81 12.00 19.42
18 15,200 1.25 1.75 2.81 1.13 53.32 32.82 3.56 1.81 18.00 24.18
24 15,200 1.25 1.75 2.81 1.13 65.32 38.82 3.56 1.81 24.00 28.50
1-1/2 x 12 21,400 1.50 2.06 2.81 1.38 43.50 28.50 4.06 2.12 12.00 28.99
18 21,400 1.50 2.06 2.81 1.38 55.50 34.50 4.06 2.12 18.00 35.00
24 21,400 1.50 2.06 2.81 1.38 67.50 40.50 4.06 2.12 24.00 39.18
1-3/4 x 18 28,000 1.75 2.60 3.38 1.63 55.38 37.38 4.62 2.38 18.00 53.75
24 28,000 1.75 2.60 3.38 1.63 67.38 43.38 4.62 2.38 24.00 60.68
2 x 24 37,000 2.00 2.62 3.69 2.00 72.62 48.62 5.75 2.69 24.00 89.00
2-1/2 x 24 60,000 2.50 3.01 4.44 2.25 75.80 51.80 6.50 3.12 24.00 150.00
2-3/4 x 24 75,000 1.75 3.63 4.19 2.75 77.88 53.88 7.00 3.25 24.00 183.00
(1) Dimensions are for Jaw & Eye. Dimensions for Jaw & Jaw and Eye & Eye are slightly different.