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SCREW PIN CHAIN SHACKLE U.S. TYPE, drop forged
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- Hot dip galvanized forged steel
- Quenched and tempered, with alloy pin
- Proof load is 2.2 times working load limit
- Ultimate load is 6 times working load limit
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Nominal Size (in) |
Working Load Limit (tons) |
Dimensions (in) |
Weight
(lbs)
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A |
B |
C |
D |
E |
F |
G |
H |
M |
1/4 |
1/2 |
0.47 |
0.31 |
0.25 |
0.88 |
0.25 |
0.61 |
0.97 |
1.59 |
1.38 |
0.11 |
5/16 |
3/4 |
0.53 |
0.38 |
0.31 |
1.03 |
0.31 |
0.75 |
1.16 |
1.91 |
1.66 |
0.17 |
3/8 |
1 |
0.66 |
0.44 |
0.38 |
1.25 |
0.38 |
0.91 |
1.41 |
2.30 |
2.03 |
0.28 |
7/16 |
1 1/2 |
0.75 |
0.50 |
0.44 |
1.44 |
0.44 |
1.06 |
1.63 |
2.66 |
2.38 |
0.43 |
1/2 |
2 |
0.81 |
0.63 |
0.50 |
1.63 |
0.50 |
1.19 |
1.81 |
3.03 |
2.69 |
0.59 |
5/8 |
3 1/4 |
1.06 |
0.75 |
0.62 |
2.00 |
0.63 |
1.50 |
2.31 |
3.75 |
3.34 |
1.25 |
3/4 |
4 3/4 |
1.25 |
0.88 |
0.81 |
2.38 |
0.75 |
1.81 |
2.75 |
4.53 |
3.97 |
2.63 |
7/8 |
6 1/2 |
1.44 |
1.00 |
0.97 |
2.81 |
0.88 |
2.09 |
3.19 |
5.33 |
4.50 |
3.16 |
1 |
8 1/2 |
1.69 |
1.13 |
1.00 |
3.19 |
1.00 |
2.38 |
3.69 |
5.94 |
5.07 |
4.75 |
1 1/8 |
9 1/2 |
1.81 |
1.25 |
1.25 |
3.58 |
1.13 |
2.69 |
4.06 |
6.78 |
5.59 |
6.75 |
1 1/4 |
12 |
2.03 |
1.38 |
1.38 |
3.94 |
1.25 |
3.00 |
4.53 |
7.50 |
6.16 |
9.06 |
1 3/8 |
13 1/2 |
2.25 |
1.50 |
1.50 |
4.38 |
1.38 |
3.31 |
5.00 |
8.28 |
6.84 |
11.63 |
1 1/2 |
17 |
2.38 |
1.63 |
1.62 |
4.81 |
1.50 |
3.62 |
5.38 |
9.06 |
7.35 |
15.95 |
1 3/4 |
25 |
2.88 |
2.00 |
2.12 |
5.75 |
1.75 |
4.19 |
6.38 |
10.97 |
9.08 |
26.75 |
2 |
35 |
3.25 |
2.25 |
2.00 |
6.75 |
2.00 |
4.81 |
7.25 |
12.28 |
10.34 |
42.31 |
2 1/2 |
55 |
4.13 |
2.75 |
2.62 |
8.00 |
2.62 |
5.69 |
9.38 |
14.84 |
13.00 |
71.75 |
3 |
85 |
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3-1/2 |
120 |
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4 |
150 |
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Conforms To Federal Specification RR-C-271D, Type IVA, Grade A, Class 1 or Class 2 |
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