Stainless Steel Wing Nuts M6
M6 wing nuts from 304 stainless steel feature thumb-turn wings for hand-tightening without tools, ideal for marine and outdoor applications. Classified under HTS 7318.16.0085 as 'other' threaded nuts due to their unique shape excluding machine or locknut categories. Corrosion resistance suits them for harsh environments.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as locknuts with prevailing torque feature
Integral locking mechanism like nylon insert moves it to locknut subheading.
If made from aluminum instead of steel
Material change to aluminum shifts to Chapter 76 for aluminum articles.
If for industrial furnace or oven hardware
Specific end-use in heat-treating equipment classifies as 'other steel articles'.
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
• Specify stainless grade (e.g
• AISI 304) on invoices; test for passivation to comply with material standards
• Avoid mixing with cap nuts in shipments; declare separately to prevent averaging duties
Related Products under HTS 7318.16.00.85
M8 Hex Nuts Zinc Plated
These are standard M8 hex nuts made from carbon steel with a zinc plating for corrosion resistance, used to secure bolts in machinery and construction. They fall under HTS 7318.16.0085 as 'other' threaded nuts of iron or steel, not specifically classified as machine screw nuts or locknuts. The hexagonal shape and metric threading distinguish them from square or specialty nuts.
Brass-Plated Acorn Nuts 5/16 Inch
Decorative 5/16-18 acorn nuts with brass plating and domed cap hide exposed threads on furniture and automotive trim. They qualify for HTS 7318.16.0085 as 'other' steel nuts, with plating not altering base steel classification. Aesthetic finish makes them popular for visible fasteners.
Heavy Hex Nuts ASTM A563 Grade DH
Heavy pattern hex nuts per ASTM A563 DH specification for high-strength structural bolting in bridges and buildings. HTS 7318.16.0085 covers these as 'other' threaded nuts of alloy steel. Wider across-flats design handles greater loads than standard hex nuts.
Square Nuts 3/8-16 UNC
Forged square nuts with 3/8-16 UNC coarse threads for welding and timber framing applications. HTS 7318.16.0085 includes these non-hexagonal threaded nuts of steel. Square shape prevents spinning during assembly.
Cap Nuts Fine Thread 1/4-28
Acorn-style cap nuts with 1/4-28 UNF fine threads and closed end for protecting bolt ends in exposed assemblies. Steel construction with various finishes; HTS 7318.16.0085 as 'other' nuts. Prevents dirt ingress and improves appearance.
High-Strength Alloy Steel Nuts Grade 9
Grade 9 hex nuts from alloy steel for extreme-duty aerospace and racing applications, matching high-strength bolts. HTS 7318.16.0085 covers alloy steel 'other' nuts. Heat-treated for 150 ksi tensile strength.