Tunneling Blast Igniter
Heavy-duty igniter for tunnel boring machine (TBM) face blasting in underground construction. Engineered for high-pressure environments, under HTS 3603.50.00.00.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other boring machinery parts
TBM-integrated igniters are classified as boring machine parts.
If long-line detonator cords for tunnels
Extended firing lines in tunnels use detonating cord classification.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Specify methane-rated explosion-proof design for mine safety approval
• Coordinate with MSHA for underground facility imports
• Pressure test certificates mandatory for customs release
Related Products under HTS 3603.50.00.00
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