Molybdenum Washers
High-Purity Molybdenum Washers for Vacuum Furnaces and High-Temperature Applications
We supply high-purity molybdenum washers for vacuum furnaces, high-temperature equipment, thermal processing systems and refractory metal applications.
Our molybdenum washers can be manufactured in standard or custom dimensions according to your drawings, specifications and application requirements.
Molybdenum provides excellent high-temperature strength, low thermal expansion and good resistance to thermal shock, making it suitable for demanding vacuum and high-temperature environments.
Send us your drawing or specifications for a custom quotation.
Molybdenum Washer Specifications
ItemSpecificationProductMolybdenum WasherMaterialMolybdenum (Mo)PurityMo ≥ 99.95%Outer DiameterCustomInner DiameterCustomThicknessCustomShapeRound / CustomSurfaceRolled / Ground / PolishedManufacturingCutting / Stamping / MachiningToleranceAccording to drawingQuantitySmall batch and bulk ordersCustomizationAvailable
Dimensions and specifications can be customized according to customer drawings.
Why Choose Molybdenum Washers?
Molybdenum washers are used where conventional steel or other materials may not perform adequately under high-temperature or vacuum conditions.
High-Temperature Performance
Molybdenum maintains good mechanical properties at elevated temperatures and is suitable for high-temperature furnace applications.
Excellent Thermal Stability
Molybdenum has a low coefficient of thermal expansion, helping maintain dimensional stability during repeated heating and cooling cycles.
Suitable for Vacuum Applications
Molybdenum is widely used in vacuum furnace components and high-temperature fixtures.
High-Purity Material
We can supply high-purity molybdenum material for applications requiring consistent material quality.
Custom Manufacturing
Washers can be manufactured according to your required OD, ID, thickness and tolerance.
Custom Molybdenum Washers
We manufacture custom molybdenum washers according to customer drawings.
Typical custom requirements include:
Custom outer diameter
Custom inner diameter
Custom thickness
Tight dimensional tolerances
Special washer profiles
Precision ground surfaces
Custom holes
Special shapes
Small-batch production
High-volume production
Whether you need 10 pcs, 100 pcs or thousands of pieces, please send us your drawing and quantity for evaluation.
Molybdenum Washers for Vacuum Furnace
Molybdenum washers are commonly used as high-temperature fastening components in vacuum and thermal processing equipment.
Typical applications include:
Vacuum furnace fixtures
High-temperature fasteners
Furnace support structures
Heating assemblies
Thermal shields
High-temperature mechanical connections
Vacuum sintering equipment
Powder metallurgy equipment
Heat-treatment equipment
Molybdenum washers can be used together with molybdenum screws, bolts, nuts and rods to create high-temperature fastening systems.
Molybdenum Washer Manufacturing
Our manufacturing process may include:
Molybdenum Material → Cutting → Forming / Machining → Grinding → Inspection → Cleaning → Packing
For precision custom washers:
Drawing Review → Material Selection → Precision Machining → Dimensional Inspection → Surface Inspection → Packing
The manufacturing process depends on the washer dimensions, thickness, tolerance and quantity.
Molybdenum Washer Dimensions
We can manufacture molybdenum washers according to customer-specified dimensions.
Typical specifications include:
Outer Diameter (OD): Custom
Inner Diameter (ID): Custom
Thickness: Custom
Tolerance: According to drawing
Surface Finish: Ground / Polished / Custom
For example:
OD: 20 mm
ID: 10 mm
Thickness: 1 mm
Material: Mo ≥ 99.95%
Quantity: 100 pcs
Custom dimensions are available.
Molybdenum Washer Applications
Vacuum Furnaces
Used as high-temperature washers and fastening components in vacuum furnace assemblies.
Heat Treatment Equipment
Suitable for high-temperature fixtures and structural connections.
Powder Metallurgy
Used in high-temperature processing equipment and furnace fixtures.
Semiconductor Equipment
Used for selected high-temperature components and equipment assemblies.
Sapphire Growth Equipment
Used in high-temperature fixtures and refractory metal assemblies.
Laboratory Equipment
Suitable for custom experimental equipment operating at elevated temperatures.
Molybdenum Washers vs. Stainless Steel Washers
For ordinary mechanical applications, stainless steel washers are often sufficient.
However, for high-temperature and vacuum environments, molybdenum can offer important advantages.
FeatureMolybdenum WasherStainless Steel WasherHigh-Temperature PerformanceExcellentLimitedVacuum Furnace UseExcellentApplication dependentThermal ExpansionLowHigherHigh-Temperature StrengthExcellentDecreases at high temperatureRefractory Metal ApplicationExcellentLimitedCustom MachiningAvailableAvailable
For high-temperature furnace applications, material selection should be based on working temperature, atmosphere, mechanical load and application conditions.
Quality Control
We inspect molybdenum washers according to customer requirements.
Inspection can include:
Outer diameter inspection
Inner diameter inspection
Thickness inspection
Flatness inspection
Surface inspection
Dimensional tolerance inspection
Quantity inspection
For precision or high-volume orders, additional inspection requirements can be discussed before production.
Packaging & Shipping
Molybdenum washers are carefully packed to prevent contamination, scratches and damage during transportation.
Typical export packaging includes:
Protective paper
Plastic bags
Individual packing when required
Protective inner packaging
Cartons
Wooden cases for larger orders
International shipping can be arranged according to the customer's destination and order quantity.
How to Order Molybdenum Washers
1. Send Your Drawing
Send us your drawing, dimensions or product photo.
2. Confirm Specifications
We confirm material, OD, ID, thickness, tolerance and quantity.
3. Receive Quotation
We provide the product price, lead time and shipping options.
4. Production
Production starts after order confirmation.
5. Inspection & Shipment
The finished washers are inspected, packed and shipped.
Frequently Asked Questions
What are molybdenum washers used for?
Molybdenum washers are mainly used in high-temperature, vacuum and refractory metal applications, including vacuum furnaces, heat-treatment equipment and high-temperature fixtures.
Can you manufacture custom molybdenum washers?
Yes. We can manufacture custom molybdenum washers according to drawings or specified dimensions.
What molybdenum purity do you provide?
We can supply high-purity molybdenum with Mo ≥ 99.95%. Other material requirements can be discussed.
Can you make small quantities?
Yes. Small-batch orders are available depending on the dimensions and manufacturing requirements.
Can you make precision molybdenum washers?
Yes. Precision machining and grinding can be provided according to the required tolerance.
Can I send a drawing?
Yes. A technical drawing is the best way for us to confirm the exact specification and quotation.
Do you supply molybdenum bolts and nuts?
Yes. We also supply molybdenum bolts, screws, nuts, rods and other custom machined parts.
What is the lead time?
Lead time depends on the material, dimensions, quantity and machining requirements. We will confirm the lead time with the quotation.
Related Molybdenum Products
Explore our other molybdenum products:
Molybdenum Bolts
Molybdenum Screws
Molybdenum Nuts
Molybdenum Rods
Molybdenum Tubes
Molybdenum Sheets
Molybdenum Plates
Molybdenum Discs
Molybdenum Crucibles
Custom Molybdenum Parts
Custom Molybdenum Washers from Drawing
Have a custom molybdenum washer requirement?
Send us:
Product drawing + Dimensions + Material + Quantity + Application
We will review your requirements and provide a quotation.
Request a Quote Today
About us
20 Years in Luoyang: Specialized in Custom Tungsten & Molybdenum Parts. Craftsmanship ensures precision; professionalism earns trust.
Leveraging tungsten & molybdenum’s strengths (high temp resistance, high strength, corrosion resistance), we deliver precise drawing replication, custom solutions, and strict full-process control for guaranteed quality.
Two decades of experience enables cost control for great value. On-time delivery & uncompromising quality keep customers returning.












