M3x0.5 Ultra-Fine Thread Stainless Stud

Ultra-precision M3x0.5 stainless stud for optical instrument alignment and fiber optic housings. HTS 7318.15.5030 covers fine thread stainless studs. Electropolished surface.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7318.15Same rate: 35%

If set screws with dog/flat point

Pointed ends for retention shift from standard studs.

9002.90.40.00Same rate: 35%

If optical mounting hardware

Optical instrument parts classify under Chapter 90.

8543.70Lower: 12.6% vs 35%

If electrical connector studs

Connector-specific metal parts fall under Chapter 85.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Surface finish Ra values document electropolished quality

Optical flats required for thread form verification

Anti-vibration packaging essential for precision optics studs

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