Aluminum Socket Head Cap Screws
Cylindrical head screws with internal hex socket and full threading, crafted from high-strength aluminum alloy for machinery assembly. HTS 7616.10.90.30 applies to these aluminum threaded fasteners not covered by heading 8305. Aluminum predominates by weight per chapter notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically rivets, cotters, or washers
Subheading distinguishes non-threaded or specific types; threaded screws stay in 7616.10.90.30.
If in form of wire <6mm cross-section
Chapter note limits 'wire' to 7616.91; applies if fasteners made from such aluminum wire.
If imported as parts of industrial machinery
End-use as machinery parts may classify under specific machinery chapter per GRI 3 rules.
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Import Tips & Compliance
• Include detailed engineering drawings showing socket and threading; test for alloy compliance if >1% other elements
• Pitfall: confusing with titanium alloys shifts to Chapter 81
• Label clearly as 'aluminum threaded fasteners'
Related Products under HTS 7616.10.90.30
Aluminum M6 Hex Bolts
Hexagonal head bolts with M6 threaded shank made from aluminum alloy, used for securing components in lightweight structures. Classified under HTS 7616.10.90.30 as threaded fasteners of aluminum, excluding those of heading 8305. Meets aluminum alloy definition with predominant aluminum content over other elements.
Aluminum Wing Nuts M8
Thumb-turn wing nuts with M8 internal threading, made from lightweight aluminum alloy for hand-tightening in equipment. Falls under 7616.10.90.30 as other threaded aluminum fasteners similar to nuts, excluding heading 8305 items. Alloy composition exceeds pure aluminum limits.
Aluminum Machine Screws 10-32
Fine-thread 10-32 UNC aluminum machine screws for precision electronics assembly, alloy construction for corrosion resistance. Classified in HTS 7616.10.90.30 as threaded aluminum fasteners of the screw type. Predominant aluminum per subheading note (b).
Aluminum Threaded Studs 1/4-20
Fully threaded rod studs with 1/4-20 UNC ends, aluminum alloy for aerospace and automotive use. HTS 7616.10.90.30 covers these as other threaded fasteners of aluminum. Meets alloy criteria with iron/silicon content.
Aluminum Set Screws Cup Point
Blind cup point set screws with hex socket, made from aluminum alloy to secure pulleys on shafts. Under 7616.10.90.30 as threaded aluminum fasteners for lateral force application. Aluminum predominates per note definitions.
Aluminum Thumb Screws Knurled Head
Knurled head thumb screws with machine threading for tool-free panel access, aluminum construction. HTS 7616.10.90.30 for these user-friendly threaded aluminum fasteners. Alloy with >1% other elements.