3-1/2 Inch S135 Drill Pipe with NC38 Tool Joints
S135 ultra-high strength 3-1/2 inch drill pipe with NC38 tool joints, ideal for directional and horizontal drilling in slim-hole applications. Exclusively for oil/gas sinking machinery of 8430.41/8430.49. Fits HTS 8431.43.80.40 as tool joint-equipped drill pipe.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for non-tool joint fitted drill pipe
Drill pipe without tool joints classified as other steel tubes/pipes in Chapter 73.
If used principally with 8429 machinery
Parts for self-propelled grading machinery differ from 8430 boring-specific parts.
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Import Tips & Compliance
• API Monogram marking mandatory for duty preference; include hardness test results for high-strength grades; declare exact yield strength to customs
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