Diameter
Capacity
Diamter Round
Diamter Square
| Shaft Diameter |
Load Bearing Capacity |
Inside Post Diamter Round |
Inside Post Diamter Square |
4x4 Post | 6x6 Post | ||
| Wood | Metal | Wood | Metal | ||||
| 6" | 6,000 lbs | 3-1/2" | 2-1/2" | |
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| 8" | 10,000 lbs | 5" | 3-1/2" | |
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| 10" | 14,000 lbs | 7" | 4-15/16" | |
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| 12" | 18,000 lbs | 7-3/4" | 5-1/2" | |
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| 14" | 20,000 lbs | 9" | 6-3/8" | |
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| 16" | 20,000 lbs | 10-1/2" | 7-7/16" | |
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| 18" | 20,000 lbs | 11-3/4" | 8-5/16" | |
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| 20" | 20,000 lbs | 13-7/8" | 10" | |
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| 22" | 20,000 lbs | 15-1/4" | 11" | |
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| 24" | 20,000 lbs | 17" | 12-3/16" | |
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| 30" | 30,000 lbs | 22-1/2" | 15-3/4" | |
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| 36" | 30,000 lbs | 25-1/2" | 18" | |
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