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US Type Forged Screw Pin Chain Shackle TH-SDA
Capacities 1/2 to 85 tons.
Hot dip galvanized or electric galvanized.
Drop forged, quenched and tempered with alloy pins.
Working load limit permanently shown on every shackle.
Max proof load is 2.2 times of the working load limited.
Min. Breaking strength is 6 times or 4 times of the W.L.L. as requirement.
|
Nominal Size |
W.L.L. |
Dimension(in) |
Weight |
||
|
(in) |
(T) |
A |
B |
C |
(kg/pc) |
|
1/4 |
1/2 |
0.47 |
0.31 |
0.97 |
0.05 |
|
5/16 |
3/4 |
0.53 |
0.38 |
1.07 |
0.08 |
|
3/8 |
1 |
0.66 |
0.44 |
1.28 |
0.13 |
|
7/16 |
1-1/2 |
0.75 |
0.50 |
1.48 |
0.20 |
|
1/2 |
2 |
0.81 |
0.63 |
1.66 |
0.27 |
|
5/8 |
3-1/4 |
1.06 |
0.75 |
2.04 |
0.57 |
|
3/4 |
4-3/4 |
1.25 |
0.88 |
2.4 |
1.19 |
|
7/8 |
6-1/2 |
1.44 |
1 |
2.86 |
1.43 |
|
1 |
8-1/2 |
1.69 |
1.13 |
3.24 |
2.15 |
|
1-1/8 |
9-1/2 |
1.81 |
1.25 |
3.61 |
3.06 |
|
1-1/4 |
12 |
2.03 |
1.38 |
3.97 |
4.11 |
|
1-3/8 |
13-1/2 |
2.25 |
1.50 |
4.43 |
5.28 |
|
1-1/2 |
17 |
2.38 |
1.63 |
4.84 |
7.23 |
|
1-3/4 |
25 |
2.88 |
2 |
5.78 |
12.13 |
|
2 |
35 |
3.25 |
2.25 |
6.77 |
19.19 |
|
2-1/2 |
55 |
4.13 |
2.75 |
8.07 |
32.27 |
|
3 |
85 |
5 |
3.25 |
8.56 |
42.50 |
Screw pin chain shackle meet the requirements of Federal Specification RR-C-271F type IVB, grade A, class 2