Concrete Volume Disc Calculator from Mexico
Contractor disc calculator for computing concrete volume, rebar quantities, and slab costs from dimensions. HTS 9017.20.4000 classification for construction mathematical instruments. Rugged laminated construction.
Duty Rate — Mexico → United States
13.9%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Construction industry end-use prevents toy classification
• Imperial/metric dual scales common; document both
• Bulk construction supply chain supports industrial use