Exhaust Tube Crimping Tool Assembly
Automated crimping tool for sealing exhaust tubes on glass envelope flashbulbs after gas evacuation. Falls under HTS 8475.90.10.00 as a part of flashbulb or lamp assembly machines. Critical for maintaining internal pressure and preventing leaks.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for general metal tube bending/crimping
Machine tools for working metal tubes are in Chapter 84, not assembly-specific.
If used in semiconductor testing apparatus
Parts for testing equipment in statistical note contexts go to semiconductor provisions.
If functioning as a specialized valve crimper
Molding or sealing machines for plastics/rubber analogs may apply broadly.
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
• Certify tool tolerances match glass envelope specs; declare as OEM replacement to leverage existing rulings; avoid bundling with consumables to prevent set classification
Related Products under HTS 8475.90.10.00
Stem Press Mold for Electronic Tubes
Interchangeable mold for forming glass stems with lead wires in tube assembly presses. Classified under HTS 8475.90.10.00 for glass envelope tube machines. Allows quick changeovers for different tube types.
Flashbulb Gas Filling Injector
Injector for precise filling of flashbulb glass envelopes with high-pressure gases before sealing. Part of assembly machines in HTS 8475.90.10.00. Controls fill volume for consistent flash performance.
Mesa Alignment Stage for Lamp Assembly
Precision XY stage for aligning components inside glass envelope lamps during automated assembly. Under HTS 8475.90.10.00 for dedicated lamp machines. Micron-level accuracy for optical centering.
Quartz Pinch Seal Former
Heating and forming tool for creating pinch seals on quartz glass envelopes in high-intensity lamps. Specific part for assembly machines under HTS 8475.90.10.00. Handles high-melt temperatures for durable seals.
Anode Support Fixture for CRT Tubes
Fixture for holding and positioning anodes inside glass envelopes during cathode ray tube assembly. Under HTS 8475.90.10.00 for tube assembly machine parts. Maintains critical spacing for electron flow.
Exhaust Manifold for Lamp Evacuation Systems
Multi-port manifold distributing vacuum to multiple glass envelopes in batch lamp assembly. Part of evacuation machines under HTS 8475.90.10.00. Optimizes throughput in high-volume production.