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M16 Stainless Steel Square Nut

Square body nut M16 stainless steel for welding jigs and fixtures. HTS 7318.16.00.60 stainless threaded nuts.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+57.5%57.5%
🇲🇽MexicoFree+50.0%50%
🇨🇦CanadaFree+50.0%50%
🇩🇪GermanyFree+50.0%50%
🇯🇵JapanFree+50.0%50%

Alternative Classifications

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

7318.15.20Higher: 75% vs 57.5%

If mild steel square

Non-stainless material classification.

8205.59.10.00Lower: 44.7% vs 57.5%

If tool vise components

Tool-specific nuts under Chapter 82.

7326.90.86Lower: 40.4% vs 57.5%

If fixture assemblies

Assembled jigs classify by function.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

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Import Tips & Compliance

• DIN 557 standards for square nut dimensions

• Distinguish from slotted for welding tabs

• Avoid machinery part declaration unless assembled

Related Products under HTS 7318.16.00.60

M8 Stainless Steel Hex Nut

A hexagonal nut made from AISI 304 stainless steel, threaded for M8 bolts, used in marine and outdoor applications for corrosion resistance. It falls under HTS 7318.16.00.60 as a threaded nut of stainless steel, distinct from iron or alloy steel nuts.

1/4-20 UNC Stainless Steel Flange Nut

A wide-base flange nut in 316 stainless steel with 1/4-20 UNC threading, ideal for automotive and plumbing fixtures requiring extra bearing surface. Classified under HTS 7318.16.00.60 for stainless steel threaded nuts.

M10 Stainless Steel Nylon Insert Lock Nut

Metric M10 lock nut featuring a nylon ring insert in A4-70 (316) stainless steel for vibration resistance in industrial equipment. HTS 7318.16.00.60 covers other stainless steel threaded nuts including prevailing torque types.

5/16-18 Stainless Steel Acorn Nut

Decorative dome-shaped acorn nut in 304 stainless steel, 5/16-18 threading for exposed architectural fasteners. Falls under HTS 7318.16.00.60 as other stainless threaded nuts.

M6 Stainless Steel Coupling Nut

Extended length coupling nut in 316 stainless steel with internal M6 threading on both ends for rod-to-rod connections. Classified as other stainless steel nuts under HTS 7318.16.00.60.

3/8-16 Stainless Steel Wing Nut

Thumb-turn wing nut in AISI 304 stainless with 3/8-16 threading for tool-free adjustment in lab equipment. HTS 7318.16.00.60 includes ergonomic stainless threaded nuts.