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Bolt Anchor Shackle
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- RRC-271D Amend 1 Type IVA, Grade A, Class 3
- All shackles meet or exceed Federal Specifications RRC-271D
- Working Load Limit shown as permanent marking on body
- All shackles have alloy quenched and tempered pins
- Shackles made from technically advanced microalloy material
- Load break tests consistently show microalloy outperforms quenched and tempered carbon material
- Shock load testing of assemblies at -300F consistently demonstrate microalloy outperforms quenched and tempered carbon material
- Shackles exhibit extreme deformation before failure
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Size
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Working Load Limit
WLL (Tons)
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Dimensions (Inches)
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Approx Weight Each (Lbs)
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| Diameter of Pin |
Diameter of Hole |
Width between Eyes |
Inside Length |
Inside Width at Bow |
Outside Diameter of Eye |
| D (nominal) |
P (Nom) |
E (Ref) |
W (Nom) |
L (Nom) |
B (Min) |
R (Max) |
| 1/4 |
3/4 |
0.312 |
0.401 |
0.469 |
1.125 |
0.750 |
0.875 |
0.14 |
| 5/16 |
1 |
0.375 |
0.463 |
0.531 |
1.250 |
0.812 |
1.000 |
0.22 |
| 3/8 |
1 1/2 |
0.438 |
0.531 |
0.656 |
1.437 |
0.937 |
1.125 |
0.37 |
| 7/16 |
2 |
0.500 |
0.593 |
0.750 |
1.689 |
1.062 |
1.250 |
0.56 |
| 1/2 |
3 |
0.625 |
0.718 |
0.813 |
1.875 |
1.187 |
1.375 |
0.84 |
| 5/8 |
4 1/2 |
0.750 |
0.843 |
1.063 |
2.375 |
1.500 |
1.875 |
1.8 |
| 3/4 |
6 1/2 |
0.875 |
0.968 |
1.250 |
2.813 |
1.750 |
2.125 |
2.5 |
| 7/8 |
8 1/2 |
1.000 |
1.109 |
1.438 |
3.312 |
2.000 |
2.375 |
4.0 |
| 1 |
10 |
1.125 |
1.234 |
1.688 |
3.750 |
2.312 |
2.625 |
5.5 |
| 1 1/8 |
12 |
1.250 |
1.375 |
1.812 |
4.250 |
2.625 |
2.875 |
7.5 |
| 1 1/4 |
14 |
1.375 |
1.531 |
2.031 |
4.688 |
2.875 |
3.250 |
11 |
| 1 3/8 |
17 |
1.500 |
1.656 |
2.250 |
5.250 |
3.250 |
3.500 |
14 |
| 1 1/2 |
20 |
1.625 |
1.781 |
2.375 |
5.750 |
3.375 |
3.750 |
18 |
| 1 5/8 |
24 |
1.750 |
1.906 |
2.625 |
6.250 |
4.000 |
4.125 |
26 |
| 1 3/4 |
30 |
2.000 |
2.156 |
2.875 |
7.000 |
4.500 |
4.500 |
31 |
| 2 |
35 |
2.250 |
2.406 |
3.250 |
7.750 |
5.250 |
5.250 |
42 |
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