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Screw Pin Anchor Shackle
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- RRC-271D Amend 1 Type IVA, Grade A, Class 2
- All shackles meet or exceed Federal Specifications RRC-271D
- Working Load Limit and traceability codes shown as permanent marking on body and pin
- Available in painted, galvanized and self-colored finishes (Dacromate coating upon special request only)
- 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 material*
- Shackles exhibit extreme deformation before failure*
- Special testing and certification including magnetic particle, proof load, and fatigue test available upon request at time of order
- Special products engineering available to fit your special lifting, tie down, and pulling needs
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| Size |
Working Load Limit WLL (tons)* |
Dimensions (inches) |
| Diameter of Pin |
Diameter of Pin Hole |
Width between Eyes |
Inside Length |
Inside Width at Bow |
Outside Diameter of Eye |
| D (nominal) |
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P (nom) |
E (ref) |
W (nom) |
L (nom) |
B (min) |
R (max) |
| 3/16 |
1/2 |
0.250 |
0.307 |
0.375 |
0.875 |
0.562 |
0.625 |
| 1/4 |
3/4 |
0.312 |
0.401 |
0.469 |
1.125 |
0.750 |
0.875 |
| 5/16 |
1 |
0.375 |
0.463 |
0.531 |
1.250 |
0.812 |
1.000 |
| 3/8 |
1 1/2 |
0.438 |
0.531 |
0.656 |
1.437 |
0.937 |
1.125 |
| 7/16 |
2 |
0.500 |
0.593 |
0.750 |
1.689 |
1.062 |
1.250 |
| 1/2 |
3 |
0.625 |
0.718 |
0.813 |
1.875 |
1.187 |
1.375 |
| 5/8 |
4 1/2 |
0.750 |
0.843 |
1.063 |
2.375 |
1.500 |
1.875 |
| 3/4 |
6 1/2 |
0.875 |
0.968 |
1.250 |
2.813 |
1.750 |
2.125 |
| 7/8 |
8 1/2 |
1.000 |
1.109 |
1.438 |
3.312 |
2.000 |
2.375 |
| 1 |
10 |
1.125 |
1.234 |
1.688 |
3.750 |
2.312 |
2.625 |
| 1 1/8 |
12 |
1.250 |
1.375 |
1.812 |
4.250 |
2.625 |
2.875 |
| 1 1/4 |
14 |
1.375 |
1.531 |
2.031 |
4.688 |
2.875 |
3.250 |
| 1 3/8 |
17 |
1.500 |
1.656 |
2.250 |
5.250 |
3.250 |
3.500 |
| 1 1/2 |
20 |
1.625 |
1.781 |
2.375 |
5.750 |
3.375 |
3.750 |
| 1 5/8 |
24 |
1.750 |
1.906 |
2.625 |
6.250 |
4.000 |
4.125 |
| 1 3/4 |
30 |
2.000 |
2.156 |
2.875 |
7.000 |
4.500 |
4.500 |
| 2 |
35 |
2.250 |
2.406 |
3.250 |
7.750 |
5.250 |
5.250 |
*1 ton = 2000lbs
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