Copper Bushing for Coal Cutter Gearbox
Precision-machined copper bushing for the gearbox of coal cutting machines under heading 8430, providing low-friction bearing surfaces. The copper alloy material ensures durability in high-vibration mining conditions. Classified in 8431.49.90.32 for copper alloy parts of coal cutters.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If composed of nickel or nickel alloys
Nickel alloy variants for the same parts have separate statistical suffixes.
If classified as plain shaft bearings
Standalone bearing bushings not specific to mining machinery go to Chapter 84 bearings.
If for other heading 8430 machinery like pile-drivers
Parts principal to different 8430 machines like piling equipment classify separately.
Not sure which classification is right?
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Import Tips & Compliance
• Document end-use with OEM specifications linking to specific 8430 model numbers
• Test for copper purity to prevent shifting to base metal classifications
• File for binding rulings if part could be seen as multi-use to lock in classification
Related Products under HTS 8431.49.90.32
Copper Alloy Cutting Tip for Rock Cutter
A replaceable cutting tip made of copper alloy designed for use on rock cutting machinery in heading 8430. It provides enhanced wear resistance and heat dissipation during excavation operations. Classified under 8431.49.90.32 due to its composition of copper alloys and sole use as a part for rock cutters.
Bronze Wear Plate for Tunnel Boring Machine
A bronze wear plate used in tunnel boring machines (heading 8430) to reduce friction and protect structural components during tunneling. Its copper alloy construction offers superior corrosion resistance in harsh underground environments. Falls under HTS 8431.49.90.32 as a copper alloy part for tunneling machinery.
Brass Hydraulic Fitting for Rock Cutter
Brass hydraulic connector fitting exclusively for hydraulic systems in rock cutting and tunneling machinery of heading 8430. Offers excellent corrosion resistance and pressure handling in abrasive environments. HTS 8431.49.90.32 applies due to copper alloy construction and dedicated use.
Phosphor Bronze Thrust Washer for Tunneler
Phosphor bronze thrust washer used in thrust bearings of tunnel boring machines (8430) to handle axial loads during operation. The alloy's self-lubricating properties suit dusty mining conditions. Fits 8431.49.90.32 as copper alloy part for tunneling machinery.
Copper Alloy Cutter Drum Segment
Segmented copper alloy insert for cutter drums on continuous mining rock cutters (8430), designed for impact and abrasion resistance. Enhances cutting efficiency in hard rock tunneling. Classified under 8431.49.90.32 for its copper alloy material and specific machinery use.
Bronze Cooling Sleeve for Coal Shearer
Bronze sleeve surrounding motor components in coal shearer machines (8430) to dissipate heat during prolonged underground operation. Copper alloy ensures thermal conductivity and strength. HTS 8431.49.90.32 for copper parts of coal cutters.