Specifications
THREAD DIA. & TAKE UP (IN.)
WORKING LOAD LIMIT (LBS.)*
WEIGHT EACH (LBS.)
DIMENSIONS (IN.)
A
J OPEN
K CLOSED
M OPEN
N CLOSED
R
S
X CLOSED
BB
1/4 x 4
500
0.26
0.25
11.8
7.8
12.25
8.25
0.78
0.34
1.75
4
5/16 x 4-1/2
800
0.45
0.31
13.56
9.06
14.12
9.62
0.94
0.44
2.09
4.5
3/8 x 6
1200
0.76
0.38
17.47
11.47
18.16
12.16
1.12
0.53
2.52
6
1/2 x 6
2200
1.54
0.5
20.08
13.08
20.96
13.96
1.44
0.72
3.23
6
1/2 x 12
2200
2.14
0.5
32.08
19.08
32.96
19.96
1.44
0.72
3.23
12
5/8 x 6
3500
2.4
0.63
21.93
14.68
22.93
15.68
1.75
0.88
3.9
6
5/8 x 12
3500
3.42
0.63
33.93
20.68
34.93
21.68
1.75
0.88
3.9
12
3/4 x 6
5200
3.79
0.75
23.88
16.38
25.12
17.62
2.09
1
4.69
6
3/4 x 12
5200
5.48
0.75
35.88
22.38
37.12
23.62
2.09
1
4.69
12
3/4 x 18
5200
7.19
0.75
47.88
28.38
49.12
29.62
2.09
1
4.69
18
7/8 x 12
7200
7.22
0.88
37.07
23.32
38.57
24.82
2.38
1.25
5.1
12
7/8 x 18
7200
9.95
0.88
49.07
29.32
50.57
30.82
2.38
1.25
5.1
18
1 x 6
10000
9.04
1
27.97
19.97
29.72
21.72
3
1.44
6.36
6
1 x 12
10000
11.5
1
39.97
25.97
41.97
27.72
3
1.44
6.36
12
1 x 18
10000
14
1
51.97
31.97
53.72
33.72
3
1.44
6.36
18
1 x 24
10000
17.25
1
63.97
37.97
65.72
39.72
3
1.44
6.36
24
1-1/4 x 12
15200
19
1.25
42.81
28.31
45.06
30.56
3.56
1.81
7.72
12
1-1/4 x 18
15200
23
1.25
54.81
34.31
57.06
36.56
3.56
1.81
7.72
18
1-1/4 x 24
15200
27
1.25
66.81
40.31
69.06
42.56
3.56
1.81
7.72
24
1-1/2 x 12
21400
27.5
1.5
45.5
30.5
48
33
4.06
2.12
8.62
12
1-1/2 x 18
21400
31
1.5
57.5
36.5
60
39
4.06
2.12
8.62
18
1-1/2 x 24
21400
37.5
1.5
69.5
42.5
72
45
4.06
2.12
8.62
24
1-3/4 x 18
28000
52.5
1.75
57.38
39.38
60.38
42.38
4.62
2.38
10
18
1-3/4 x 24
28000
58
1.75
69.38
45.38
72.38
48.38
4.62
2.38
10
24
2 x 24
37000
85.25
2
75.69
51.69
79.19
55.19
5.75
2.69
13.09
24
2-1/2 x 24
60000
144.25
2.5
78.62
54.62
82.62
58.62
6.5
3.12
13.78
24
2-3/4 x 24
75000
194
2.75
81
57
85.5
61.5
7
3.25
15.22
24
* Proof Load is 2.5 times the Working Load Limit. Ultimate Load is 5 times the Working Load Limit.
Mechanical Galvanized.