The type of fasteners which are known for their high density is called as tungsten fasteners. They are known to exhibit high strength at extreme high temperatures (vacuum). Because they have good strength and high density, they offer excellent corrosion resistance. Another excellent property offered by this fastener is its high melting point of 6188-degree Fahrenheit. Because they have high temperature tolerance and high melting point, it is recommended to be an ideal use case for some of the hottest vacuum environments. This also adds to be another reason to resist against all corrosive environments. As per standards ASTM B777, these fasteners are manufactured or made from tungsten alloys ranging between 90-97%, in association with nickel, copper, or nickel and iron. Adding to this, tungsten Bolts are also used for balancing rotary parts.
Despite their broad range of properties which meet industrial standards on a large scale, it is also ideal for use case in industries such as:
- Aerospace, to combine high density and mechanical strength in order to reduce size of the components, fluid control systems, offering greater controlled distribution of weight.
- Furnace makes use of tungsten washers in high temperature vacuum furnace. This is because they contain tungsten in major components and are known for their high temperature stability and strength.
- Medical industries demand this flange because of their non-magnetic nature and the ability to exhibit radiopaque properties.
- Oil and gas require tungsten carbide bolts for radiation shielding purposes and in order to protect equipment.
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Tungsten fasteners specification

Process | Length | Head Drive |
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CNC and Machining, Hot forging, Cold Forging | 3 to 200 mm | Slotted, Six-Lobe, Phillips/Slot, Phillips, etc |
Imperial Sizes | Metric Sizes | Threads |
3/6 to 2 inch | M3 to M56 | Cut, UNC, UNF, UNJ, UNR, Rolled etc. |
Grades | Surface | Standards |
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Density | Melting point | Purity |
19.3 gm/cc | 3420 ° C | >99.95 % |
Get tungsten fasteners manufacturers listed below at pipingmaterial.ae who provide | Type | Testing |
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Application | To know more about coating contact genuine tungsten fasteners suppliers listed below in UAE | Origin |
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Check the tungsten nuts and bolts sizes and dimensions for tungsten carbide fasteners in UNC/ UNF threads in accordance with ASTM B777 standard
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Check tensile strength before buying tungsten hex bolts and nuts
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