Hook & Hook Turnbuckles
Hook & Hook Turnbuckles
Hook & Hook

Meets the performance requirements of
Federal Specifications FF-T-791b,
Type 1 Form 1 - CLASS 5, except for those
provisions required of the contractor.
|

|
Thread
Diameter
& Take
Up
(in.) |
Working
Load
Limit *
(lbs.) |
Weight
Each
(lbs.) |
Dimensions
(in.) |
A |
D |
E
Closed |
F |
J
Open |
K
Closed |
M
Closed |
N
Closed |
BB |
1/4 x 4 |
400 |
.30 |
.25 |
.45 |
1.59 |
1.27 |
11.12 |
7.12 |
11.94 |
7.94 |
4.00 |
5/16 x 4 1/2 |
700 |
.47 |
.31 |
.50 |
1.94 |
1.50 |
12.81 |
8.31 |
13.81 |
9.31 |
4.50 |
3/8 x 6 |
1000 |
.78 |
.38 |
.56 |
2.30 |
1.77 |
16.50 |
10.50 |
17.72 |
11.72 |
6.00 |
1/2 x 6 |
1500 |
1.60 |
.50 |
.66 |
2.94 |
2.28 |
17.82 |
11.82 |
19.38 |
13.38 |
6.00 |
1/2 x 9 |
1500 |
1.83 |
.50 |
.66 |
2.94 |
2.28 |
23.82 |
14.82 |
25.38 |
16.38 |
9.00 |
1/2 x 12 |
1500 |
2.28 |
.50 |
.66 |
2.94 |
2.28 |
29.82 |
17.82 |
31.38 |
19.38 |
12.00 |
5/8 x 6 |
2250 |
2.75 |
.63 |
.84 |
3.69 |
2.81 |
19.25 |
13.25 |
21.25 |
15.25 |
6.00 |
5/8 x 9 |
2250 |
3.38 |
.63 |
.84 |
3.69 |
2.81 |
25.25 |
16.25 |
27.25 |
18.25 |
9.00 |
5/8 x 12 |
2250 |
3.50 |
.63 |
.84 |
3.69 |
2.81 |
31.25 |
19.25 |
33.25 |
21.25 |
12.00 |
3/4 x 6 |
3000 |
3.89 |
.75 |
.98 |
4.52 |
3.33 |
20.88 |
14.88 |
23.28 |
17.28 |
6.00 |
3/4 x 9 |
3000 |
5.28 |
.75 |
.98 |
4.52 |
3.33 |
26.88 |
17.88 |
29.28 |
20.28 |
9.00 |
3/4 x 12 |
3000 |
5.43 |
.75 |
.98 |
4.52 |
3.33 |
32.88 |
20.88 |
35.28 |
23.28 |
12.00 |
3/4 x 18 |
3000 |
6.33 |
.75 |
.98 |
4.52 |
3.33 |
44.88 |
26.88 |
47.28 |
29.28 |
18.00 |
7/8 x 12 |
4000 |
8.10 |
.88 |
1.13 |
5.19 |
3.78 |
34.25 |
22.25 |
37.00 |
25.00 |
12.00 |
7/8 x 18 |
4000 |
9.95 |
.88 |
1.13 |
5.19 |
3.78 |
46.25 |
28.25 |
49.00 |
31.00 |
18.00 |
1 x 6 |
5000 |
9.33 |
1.00 |
1.25 |
5.84 |
4.25 |
23.63 |
17.63 |
26.69 |
20.69 |
6.00 |
1 x12 |
5000 |
11.93 |
1.00 |
1.25 |
5.84 |
4.25 |
35.63 |
23.63 |
38.69 |
26.69 |
12.00 |
1 x18 |
5000 |
14.00 |
1.00 |
1.25 |
5.84 |
4.25 |
47.63 |
29.63 |
50.69 |
32.69 |
18.00 |
1 x 24 |
5000 |
17.25 |
1.00 |
1.25 |
5.84 |
4.25 |
59.63 |
35.63 |
62.69 |
38.69 |
24.00 |
1 1/4 x 12 |
6500 |
20.58 |
1.25 |
1.50 |
7.22 |
5.13 |
37.94 |
25.94 |
41.56 |
29.56 |
12.00 |
1 1/4 x 18 |
6500 |
23.00 |
1.25 |
1.50 |
7.22 |
5.13 |
49.94 |
31.94 |
53.56 |
35.56 |
18.00 |
1 1/4 x 24 |
6500 |
27.00 |
1.25 |
1.50 |
7.22 |
5.13 |
61.94 |
37.94 |
65.56 |
41.56 |
24.00 |
1 1/2 x 12 |
7500 |
27.50 |
1.50 |
1.88 |
8.34 |
5.75 |
40.94 |
28.94 |
44.44 |
32.44 |
12.00 |
1 1/2 x 18 |
7500 |
31.00 |
1.50 |
1.88 |
8.34 |
5.75 |
52.96 |
34.94 |
56.44 |
38.44 |
18.00 |
1 1/2 x 24 |
7500 |
37.50 |
1.50 |
1.88 |
8.34 |
5.75 |
64.94 |
40.94 |
68.44 |
44.44 |
24.00 |
* Proof Load is 2.5 times Working Load Limit. Ultimate load is 5 times Working Load Limit.
-
Hot Dip galvanized steel.
-
End fittings are Quenched and Tempered, bodies heat treated bt mormalizing.
-
Hooks are forged with a greater cross sectional area that results in a stronger hook with better fatigue properties.
-
TURNBUCKLES RECOMMENDED FOR STRAIGHT OR IN-LINE PULLS ONLY.
-
Modified UNJ thread for improving fatigue properties.