Micrometer Ratchet Stop Thimble from Germany
Friction thimble with integrated ratchet stop for consistent measuring pressure on micrometers. Part of HTS 9017.90.0132 accessories for subheading 9017.20.70 instruments. Delivers repeatable force of 1-2N per click.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Force calibration data essential for proving measuring function
• Thread specification (e.g
• M6x0.5) must match target micrometers
• Distinguish from simple friction sleeves via ratchet mechanism documentation