CAUTION: Never exceed the working load
limit.
According
to Federal Specification RR-C-271D, Type IV B, Class 3, Grade B,
Amendment 1 - for sizes 1.1/2" through 3". All Sizes forged
all-alloy steel, heat treated. Permanently marked with size and Working
Load Limit.
|
|
Size
(A)
|
Working
Load Limit
in Tons
|
Bolt
Diam.
in Inches
(B)
|
Approx.
Weight Each
in Pounds
|
Dimensions
in Inches
|

|
|
C
|
D
|
E
|
F
|
| 1.1/2" |
30 |
1.5/8 |
19.7 |
6.00 |
2.31 |
3.60 |
3.75 |
| 1.3/4" |
40 |
2 |
32.6 |
7.50 |
2.88 |
4.13 |
5.00 |
| 2" |
50 |
2.1/4 |
48.3 |
8.25 |
3.38 |
4.81 |
6.25 |
| 2.1/2" |
80 |
2.3/4 |
94.0 |
11.00 |
4.25 |
5.84 |
7.63 |
| 3" |
110 |
3.1/4 |
145.0 |
13.75 |
5.13 |
6.75 |
9.00 |
| 3.1/2" |
150 |
3.3/4 |
250.0 |
14.75 |
5.75 |
8.25 |
9.50 |
| 4" |
175 |
4.1/4 |
358.0 |
17.50 |
6.75 |
9.50 |
11.88 |
| 4.1/4" |
200 |
4.3/4 |
460.0 |
21.31 |
7.00 |
9.97 |
12.75 |
| 4.3/4" |
250 |
5.1/8 |
640.0 |
22.50 |
8.25 |
11.00 |
15.75 |
| 5.1/8" |
300 |
5.3/4 |
810.0 |
25.50 |
8.25 |
11.00 |
15.75 |
| 5.3/4" |
400 |
6.1/8 |
1,140.0 |
30.25 |
9.0 |
12.62 |
17.62 |
| 6.1/8" |
500 |
6.3/4 |
1,380.0 |
30.50 |
9.88 |
14.00 |
19.63 |
| 8" |
750 |
8.1/2 |
3,070.0 |
32.50 |
13.38 |
17.00 |
23.00 |
| 9.1/2" |
1,000 |
10 |
5,150.0 |
39.00 |
15.50 |
20.00 |
29.13 |
|