M8 Stainless Steel Mushroom Head Bolt with Nut

M8 stainless steel bolt with low-profile round mushroom head, 8mm thread diameter, packaged with nut. Matches HTS 7318.15.20.51 as a stainless steel round-head bolt with qualifying shank size entered with nut. Used in furniture assembly and architectural fixtures.

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.

7318.15.20Same rate: 35%

If diameter between 4.5-6 mm

Strict 6mm+ shank requirement; slightly smaller bolts fall into adjacent diameter band.

7318.16.00Lower: 17.5% vs 35%

If non-threaded rivets or similar

Lacks threading, shifting from 'threaded articles' to 'other' fasteners like rivets.

7616.10Lower: 16% vs 35%

If aluminum alloy construction

Material composition changes chapter from iron/steel (73) to aluminum (76).

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

Label shipments clearly as 'round head bolts with nuts' and include photos/diagrams of head profile for CBP review

Test for stainless composition (minimum 10.5% chromium) to avoid misclassification to carbon steel equivalents

Watch for partial shipments; incomplete sets may not qualify for the 'with nuts' provision

Related Products under HTS 7318.15.20.51

M6 Stainless Steel Hex Head Bolt with Nut

A stainless steel bolt featuring a round hex head and threaded shank with a diameter of 6 mm or more, shipped with matching nut. Classified under HTS 7318.15.20.51 due to its stainless steel construction, round head design, and shank diameter meeting the specified criteria for bolts entered with nuts. Commonly used in marine and outdoor applications for corrosion resistance.

1/4-20 Stainless Steel Carriage Bolt with Nut

Stainless steel carriage bolt with distinctive round head and square neck, 1/4-inch (6.35 mm) diameter threads, including nut in shipment. Fits HTS 7318.15.20.51 for stainless steel round-head bolts with 6mm+ shanks shipped together with nuts. Ideal for woodworking and decking where flush fitting is needed.

M10 Stainless Steel Round Head Square Neck Bolt with Nut

Heavy-duty M10 stainless steel bolt with round head and square neck for grip, shipped with nut, 10mm shank diameter. Classified in HTS 7318.15.20.51 for stainless round-head bolts over 6mm with nuts in same shipment. Suited for structural and trailer applications.

5/16-18 Stainless Steel Flange Round Head Bolt with Nut

5/16-inch (7.94mm) stainless steel bolt with integral round flange head for load distribution, includes nut. HTS 7318.15.20.51 applies to its stainless steel round head, >6mm shank, and bundled nut shipment. Popular in machinery mounting.

M12 Stainless Steel Button Head Bolt with Nut

M12 stainless steel low-profile button (round) head bolt with 12mm threads, shipped with nut. Fits HTS 7318.15.20.51 criteria for stainless round-head bolts >=6mm diameter with nuts. Used in electronics enclosures and handrails.