Drill String Slip Assembly
Wedge-type slips for gripping drill pipe during tripping operations on boring rigs. HTS 8431.43.80.90 for parts of sinking machinery 8430.41/8430.49.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as handling equipment
Pulleys, slips primarily for lifting go to specific handling provisions.
If imported as fabricated steel articles
Unspecified steel forgings default to Chapter 73.
Not sure which classification is right?
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Import Tips & Compliance
• Specify gripper tooth pattern for specific pipe diameters/sizes
• Include safety factor certifications for 500+ ton loads
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Mousehole spider valves controlling pipe rack access during tripping on drilling rigs. Boring machinery parts under 8431.43.80.90.
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