Ultrasonic Machining Center from China
Vibratory tool system operating at ultrasonic frequencies (20-40 kHz) that uses abrasive slurry to remove material from brittle substances like ceramics, glass, and quartz. Under HTS 8456.90.71.00 for ultrasonic material removal processes without direct mechanical contact. Key for machining advanced materials in electronics and medical device production.
Duty Rate — China → United States
39.7%
Rate breakdown
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Specify transducer frequency and amplitude specs; ensure abrasive slurry containment compliance; verify vibration isolation for precision work