5/16-Inch Aluminum Wood Screws
Self-tapping wood screws with 5/16-inch (8 mm) shank and aggressive threads for decking and cabinetry, made of marine-grade aluminum alloy. HTS 7616.10.70 for shank/threads over 6 mm. Corrosion-resistant for humid environments.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If steel with zinc coating
Iron/steel wood screws head to Chapter 73 subheadings.
If reduced to #12 gauge size
Smaller shank diameters qualify for the under-6-mm subheading.
If imported in tool sets
Screws for hand/air tools may classify as drill accessories if so marketed.
Not sure which classification is right?
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Import Tips & Compliance
• Specify wood vs. machine screw type in docs; affects potential reclassification
• Include coating details (e.g
• anodized) but note it doesn't change base HTS
• Sample testing for dimension accuracy prevents post-entry adjustments
Related Products under HTS 7616.10.70
M8 Aluminum Hex Bolts
Hexagonal head bolts made of aluminum alloy with an M8 thread size (8 mm diameter), used for securing structural components in construction and machinery. Classified under HTS 7616.10.70 because the threads exceed 6 mm in diameter, distinguishing them from finer wire-based fasteners. These bolts meet aluminum alloy criteria with silicon and other elements exceeding purity limits.
1/4-Inch Aluminum Lag Screws
Heavy-duty wood lag screws of aluminum alloy with 1/4-inch (6.35 mm) shank diameter and coarse threads for anchoring into timber. HTS 7616.10.70 applies due to shank and thread diameters exceeding 6 mm, excluding them from wire-defined categories. Commonly used in marine and outdoor applications for corrosion resistance.
M10 Aluminum Carriage Bolts
Round head carriage bolts in M10 size (10 mm diameter) made from aluminum alloy, featuring square necks for rotational stability in wood or metal joints. Falls under 7616.10.70 for threads and shanks over 6 mm, used in furniture and decking. Aluminum construction provides lightweight corrosion resistance.
3/8-Inch Aluminum Eye Bolts
Eye bolts with 3/8-inch (9.5 mm) shank diameter and threaded end, forged from aluminum alloy for lifting and rigging applications. HTS 7616.10.70 due to shank and hole/thread sizes over 6 mm. Ideal for temporary attachments in construction and boating.
M12 Aluminum Hex Nuts
Heavy hex nuts for M12 bolts (12 mm inner diameter hole), machined from aluminum alloy for aerospace and automotive use. Classified in 7616.10.70 because internal threads/holes exceed 6 mm. Provides weight savings over steel counterparts.
10 mm Aluminum Screw Hooks
Heavy-duty screw hooks with 10 mm shank and thread for hanging loads up to 500 lbs, aluminum alloy for porch swings and gates. HTS 7616.10.70 applies as threads/shanks exceed 6 mm. Rust-proof for exterior use.