M4 x 12mm Bronze Hex Bolts
Hexagonal head bolts made from bronze (copper-tin alloy) featuring 4mm shank and threads, suited for nautical and plumbing applications. HTS 7415.33.8050 applies to these small-diameter copper alloy threaded fasteners. Provides superior strength in corrosive environments.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If steel bolts with bronze finish
Base material of steel overrides surface treatment for classification.
If for bolts with 6mm+ dimensions
Size threshold separates small from standard copper fasteners.
If sold as set with washers/nuts for retail
Assembled hardware sets for consumer use classify differently.
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
• Submit alloy test reports showing tin predominance per subheading note (b) for bronzes
• Declare exact shank/thread measurements; tolerances must confirm <6mm
Related Products under HTS 7415.33.80.50
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