Micro-TBM Cutter Insert
Miniature carbide insert for small-diameter micro tunnel boring machines used in utility tunneling under heading 8430. Designed for soft ground and rock up to 48" diameter. Part of 8431.49.90.34.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for rock drills
Micro cutters resembling drill bits classify with rock drilling tools.
If self-propelled microtunnelers
Complete small TBMs have specific provisions vs individual parts.
If asphalt milling cutters
Small rotary cutters for pavement classify in roadworking tools.
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
• Declare microtunnel diameter range; provide ground classification ratings; avoid general drill bit classification
Related Products under HTS 8431.49.90.34
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Tungsten Carbide Tunneling Cutter Pick
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