M4 x 55mm Slotted Round Head Machine Screw

Classic slotted drive round head machine screw, 55mm long, 4mm diameter, bright zinc finish. Qualifies HTS 7318.15.4000 as oversized machine screw for legacy equipment restoration.

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.

7318.16.00Lower: 17.5% vs 35%

If self-tapping sheet metal screws

Self-tapping feature changes from machine screw classification

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Import Tips & Compliance

Slotted drives common in older machinery; document end-use if applicable

Round head profile confirms machine screw status

Small quantities may qualify for informal entry procedures

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