Molybdenum Bolts

Molybdenum Bolts Manufacturer | Custom High Temperature Mo Bolts

Molybdenum bolts are high-temperature refractory metal fasteners designed for demanding applications where conventional metal bolts may lose strength or become unsuitable at elevated temperatures.

We manufacture and supply custom molybdenum bolts, screws and threaded fasteners for vacuum furnaces, high-temperature equipment, semiconductor processing, heat treatment systems and other industrial applications.

Molybdenum offers excellent high-temperature strength, low vapor pressure and good resistance to thermal deformation, making it a suitable material for specialized fastening applications.

Custom dimensions, threads, head styles and lengths are available according to customer drawings.

Molybdenum Bolt Specifications

ItemSpecificationProductMolybdenum BoltMaterialMolybdenumPurityTypically ≥99.95%ThreadMetric / CustomSizeM3, M4, M5, M6, M8, M10 and customHead TypeHex, Hex Socket, Slotted, CustomLengthCustomThread LengthCustomSurfaceMachined / GroundManufacturingCNC Machining / Precision MachiningApplicationHigh Temperature / VacuumCustomizationAvailable

Note: Actual material grade, purity, dimensions and tolerances can be customized according to the application and technical drawing.

High Temperature Molybdenum Bolts

Molybdenum is a refractory metal with excellent performance in high-temperature environments.

Compared with conventional steel fasteners, molybdenum bolts are particularly useful in specialized equipment where high-temperature stability and low vapor pressure are important.

Typical applications include:

• Vacuum furnaces

• High-temperature furnaces

• Vacuum heat treatment equipment

• Hydrogen atmosphere furnaces

• Semiconductor equipment

• Sapphire growth equipment

• Powder metallurgy equipment

• High-temperature fixtures

• Thermal processing equipment

• Laboratory and research equipment

Custom Molybdenum Bolts

We manufacture custom molybdenum bolts based on customer drawings and specifications.

Available customization includes:

• Bolt diameter

• Overall length

• Thread diameter

• Thread pitch

• Thread length

• Head diameter

• Head height

• Head type

• Hex socket

• Slotted head

• Countersunk head

• Custom holes

• Special machining

• Dimensional tolerances

For special or precision applications, please send us a 2D drawing or 3D CAD file for manufacturing feasibility evaluation.

Molybdenum Bolt Sizes

Common metric sizes include:

• M3 Molybdenum Bolts

• M4 Molybdenum Bolts

• M5 Molybdenum Bolts

• M6 Molybdenum Bolts

• M8 Molybdenum Bolts

• M10 Molybdenum Bolts

• M12 Molybdenum Bolts

Other diameters and thread specifications can be manufactured according to customer requirements.

Please note that the available minimum size depends on the bolt design, thread specification, head configuration and production quantity.

Precision Machined Molybdenum Bolts

Molybdenum is a hard and brittle refractory metal compared with conventional engineering materials, so manufacturing small and complex fasteners requires suitable machining processes and tooling.

Depending on the design, we can provide:

• CNC turning

• Thread machining

• Precision grinding

• Head machining

• Slot machining

• Hex socket machining

• Custom drilling

• Surface finishing

• Dimensional inspection

The manufacturing process is selected according to the required bolt size, thread, tolerance and geometry.

Molybdenum Bolts for Vacuum Furnaces

Molybdenum bolts are commonly used in specialized vacuum furnace fixtures and high-temperature furnace assemblies.

They can be used to fasten:

• Furnace shields

• Heating assemblies

• Molybdenum plates

• Molybdenum sheets

• Furnace fixtures

• Support structures

• High-temperature components

For vacuum applications, material purity and surface cleanliness can be specified according to the operating environment.

High Purity Molybdenum Material

Our molybdenum fasteners can be manufactured from high-purity molybdenum.

A typical material specification is:

Mo ≥99.95%

For applications with specific material requirements, we can discuss the appropriate molybdenum grade before production.

Material certificates and inspection documentation can be supplied according to order requirements.

Why Choose Our Molybdenum Bolts?

High Temperature Performance

Molybdenum maintains useful mechanical properties at elevated temperatures and is suitable for demanding thermal applications.

High Purity Material

High-purity molybdenum is available for vacuum and high-temperature applications.

Custom Manufacturing

Bolt dimensions, threads and head configurations can be manufactured according to drawings.

Precision Machining

We provide machining and finishing for specialized refractory metal fasteners.

Small Batch Production

Prototype and small-volume orders can be evaluated depending on the product design.

Drawing-Based Manufacturing

Send us your technical drawing and we can evaluate manufacturability before quotation.

Molybdenum Bolt Manufacturing Process

Material Preparation → CNC Machining → Thread Machining → Head Machining → Grinding → Cleaning → Dimensional Inspection → Final Inspection → Packaging

For customized molybdenum bolts, the manufacturing process is adjusted according to the specific design.

Applications of Molybdenum Bolts

Vacuum Furnace

Used for fastening furnace shields, fixtures and other refractory metal components.

Semiconductor Equipment

Suitable for selected high-temperature semiconductor processing equipment.

High-Temperature Fixtures

Used in fixtures and structural assemblies exposed to elevated temperatures.

Heat Treatment Equipment

Molybdenum fasteners can be used in specialized heat-treatment equipment and furnace assemblies.

Laboratory Equipment

Custom molybdenum bolts are also suitable for research and laboratory equipment requiring refractory metal components.

Technical Information Required for Quotation

To quote your molybdenum bolts accurately, please provide:

1. Bolt Size: M___
2. Overall Length: ___ mm
3. Thread Length: ___ mm
4. Thread Pitch: ___ mm
5. Head Type: ___
6. Head Diameter: ___ mm
7. Head Height: ___ mm
8. Material: Pure Molybdenum / Other
9. Purity: ___
10. Quantity: ___ pcs
11. Tolerance: ___
12. Application: ___

A technical drawing is preferred for customized molybdenum bolts.

FAQ

What are molybdenum bolts used for?

Molybdenum bolts are mainly used in high-temperature and specialized industrial equipment, including vacuum furnaces, heat-treatment systems, semiconductor equipment and high-temperature fixtures.

What purity of molybdenum can you provide?

High-purity molybdenum such as ≥99.95% Mo can be supplied. Specific material requirements can be confirmed before production.

Can you manufacture custom molybdenum bolts?

Yes. We can manufacture custom molybdenum bolts according to 2D drawings, 3D CAD files or detailed specifications.

What thread sizes are available?

Common metric sizes include M3, M4, M5, M6, M8 and M10. Special thread sizes can also be evaluated according to the design.

Can you make small molybdenum bolts?

Yes, but the minimum practical size depends on the thread, head design, length, tolerance and production process. Please send us a drawing for evaluation.

Can you provide material certification?

Yes. Material certificates and inspection documents can be provided according to customer requirements.

Can you produce small quantities?

Yes. Prototype and small-batch production can be evaluated for customized molybdenum bolts.

Request a Quote

Looking for a custom molybdenum bolt manufacturer?

Send us your bolt size, thread specification, length, head type, quantity and material requirements.

For special designs, please attach your technical drawing.

Contact us for manufacturing feasibility assessment and quotation.