Master Bushing Adapter for Rotary Table
Steel adapters fitting between rotary table and kelly bushing for torque transmission in sinking operations. Principal parts under HTS 8431.43.80.90.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If parts of cranes heading 8426
Drive train parts for cranes/other equipment have separate provisions.
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Import Tips & Compliance
• Match API square/kelly dimensions exactly for classification
• Provide torque rating documentation (≥100,000 ft-lbs)
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