Micrometer Ratchet Stop Assembly from Canada
Torque-limiting ratchet and friction thimble stop for Starrett micrometers ensuring consistent measuring force (8-12 oz). Prevents over-tightening damage to workpiece. HTS 9017.90.01.60 part for hand-held length measuring micrometers.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Calibrate torque specs (8 oz/in, 12 oz/in) in technical documentation
• Demonstrate interchangeability with 0-1", 1-2", 2-3" micrometer frames
• Avoid 'wrench assembly' terminology preventing instrument part status