Grade 316M M20 Hex Head Stud Bolt Set

Marine-grade 316M stainless hex head stud bolt with 20mm diameter shank, full threading, and nut/washer set for extreme corrosion resistance. Falls under HTS 7318.15.20.61 as a stainless hex bolt shipped with accessories, despite stud-like threading. Used in shipbuilding.

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 other stainless steel threaded articles not bolts

If lacking defined head or shank, may classify as generic threaded articles.

7304.39Lower: 10% vs 35%

If welded or seamless tubing with threading

Tubular threaded products shift to tubes/pipes chapter by material form.

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

Distinguish from headless studs by emphasizing hex head in product specs and photos

Test for magnetism to confirm austenitic stainless; ferritic types may reclassify

Declare precise lengths and thread engagement to verify bolt vs other threaded status

Related Products under HTS 7318.15.20.61

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A corrosion-resistant bolt made of stainless steel with a hexagonal head and shank diameter of 6mm or more, certified under AISI 304 grade. It falls under HTS 7318.15.20.61 as it is a threaded bolt with hexagonal head, shipped with matching nuts or washers. Commonly used in marine and construction applications.

M8 316 Stainless Steel Hex Bolt with Nut

High-grade 316 stainless steel hex head bolt featuring an 8mm diameter shank, paired with a matching hex nut for superior corrosion resistance in harsh environments. Classified under HTS 7318.15.20.61 due to its stainless steel composition, hexagonal head, and inclusion of nut in shipment. Ideal for chemical processing and offshore rigging.

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