Disc Calculator for Pipe Offsets from Mexico
Rotating disc calculator with offset tables for plumbing and HVAC pipe fitting calculations. Falls under HTS 9017.20.80 as mathematical calculating instrument. Durable laminated construction for job site use.
Duty Rate — Mexico → United States
14.6%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Prove calculation-only function, not measurement integration
• Job site durability specs support industrial instrument status
• Avoid 'tool belt accessory' descriptions triggering Chapter 82