8-5/8 inch 36# P110 BTC Casing from Mexico
8-5/8 inch OD, 36 lb/ft P110 seamless alloy casing with Buttress Threaded and Coupled (BTC) connections for intermediate production strings. HTS 7304.29.31 designation for seamless other alloy steel oil/gas casing. Balances strength and running ease.
Duty Rate — Mexico → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Specify BTC connection in entry docs; provide running torque data
• Common error: confusing with premium VAM connections affecting value
• Ensure galvanized protection if coastal shipping