This glazed alumina ceramic tube is designed for ion source electrode isolation applications. Manufactured from 95% alumina ceramic with a glazed surface finish, it provides excellent electrical insulation, dielectric strength, and thermal stability for demanding analytical instrument environments.
Due to an inventory clearance, this product is offered at a special price with limited stock availability.
Inventory Clearance Notice (Please Read)
This batch is sold as an inventory clearance product, limited stock – clearance items will not be restocked.
Available quantity: 118 pcs
Inner thread length: Approximately 5.6–6.6 mm
Thread length tolerance: 6.1 ± 0.5 mm
Due to the variation in inner thread length, customers are strongly advised to verify compatibility with their application before placing an order.
This product is ideal for:
Replacement parts
Prototyping and testing
Cost-sensitive projects
Applications with flexible thread depth tolerance
Customers requiring tight or exact thread length specifications should consider a custom-manufactured version instead.
Key Specifications
Parameter
Specification
Product Name:
Alumina Bolt Tube
Material
95% Alumina Ceramic
Outer Diameter
9.7 mm
Height
15 mm
Thread
M3 internal threads on both ends (non-through)
Surface Treatment
Glazing
Sales Unit
50 pcs (1 unit = 50 pcs)
Application:
Repeller insulator for ion source electrode isolation
Key Features
Excellent electrical insulation performance
High dielectric strength
Stable performance at elevated temperatures
Low dielectric loss
Suitable for analytical instrument and vacuum applications
Application
Ion source electrode isolation
EI repeller insulators
Electron gun insulation components
Commonly used in:
Ion Source 5975 MSD
Ion Source 5973 MSD
GC-MS and LC-MS analytical systems
Customization & Technical Support
Innova Supplies offers custom ceramic solutions to meet specific requirements, including:
Dimensional and thread customization based on customer drawings
Material upgrades (99%+ alumina available)
Customized ceramic components for ion sources and mass spectrometry instruments
We also supply customized ceramic parts and consumables for G1099-20133 GC-MS and LC-MS systems, including EI repeller insulators. Contact us for technical support or customization: info@innovasupplies.com
Frequently Asked Questions
This product is ideal for:
Replacement parts
Prototyping and testing
Cost-sensitive projects
Applications with flexible thread depth tolerance
Customers requiring tight or exact inner thread length specifications are advised to choose a custom-manufactured version instead.
There are 118 pcs available in this inventory clearance batch. Once sold out, this clearance item will not be restocked.
This product is suitable for ion source electrode isolation applications where M3 internal threads and an inner thread length of approximately 6 mm are acceptable. If your design allows a tolerance of ±0.5 mm, this inventory clearance item offers a cost-effective solution.
This batch is offered at inventory clearance pricing due to slight variation in inner thread length. The thread length ranges from 5.6 to 6.6 mm, with an average of 6.1 ± 0.5 mm. All other material properties and performance characteristics remain unchanged.
Yes. This ceramic insulator is commonly used in Ion Source 5975 and 5973 MSD systems. Customers should verify the required inner thread depth for their specific configuration before ordering.
Immediate availability
Reduced cost compared to standard production parts
Same 95% alumina material and glazed surface
Suitable for non-critical or flexible-tolerance applications
The product is sold in units of 50 pcs. Minimum order quantity: 1 unit (50 pcs).
Yes. The 95% alumina ceramic material provides:
Excellent electrical insulation
High dielectric strength
Stable performance at elevated temperatures
Low dielectric loss
It is suitable for analytical instruments and vacuum environments.
Custom production is recommended for critical or high-precision applications.
Yes. Our technical team can assist with application compatibility and technical review. If inner thread depth is critical, we strongly recommend contacting us before placing an order.
