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.
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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
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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
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Anode Support Fixture for CRT Tubes
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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.