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Fasteners and Custom Hardware
Thermo ShieldThermo ShieldThermo ShieldThermo Shield

Thermo Shield Thermo Shield Thermo Shield Thermo Shield Thermo Shield

Supplier of Refractory Metals and Custom Manufacturer of Tungsten, Molybdenum, Tantalum and Alumina Products specializing in High Purity for High Temperature Vacuum Environments

Thermo ShieldThermo Shield, based in Silicon Valley, sells refractory fasteners and materials not only in their backyard, but throughout the world. Over their 30 years they have continued to serve a wide range of industries including semiconductor, solar, medical, aerospace, chemical, educational and research (plus many others). Their primary customers cover the corporate, private, government and university segments.

After 30 years of selling Molybdenum, Tantalum, Tungsten, Alumina and Mullite for refractory environments, they have developed a unique balance of experience, inventory and service capabilities to provide necessary products and knowledge to thousands of customers.

Thermo ShieldIncluded in their stock of inch and metric refractory fasteners is Molybdenum (Mo or Moly), Tantalum (Ta), Tungsten (W), and Alumina (Al2O3 or AD998) screws (fillister, flat and pan head), nuts (hex, square, round with flat or double d, and round slotted), washers (flat, thin, and shoulder), threaded rod, ground rod, foil, sheet, plate, wire, screen and tube. They can also accommodate custom sizing and are able to machine fabricated parts per a customer sketch.

Thermo Shield is different from the competition in many ways:

  • They have been in business for over 30 years
  • They carry a large inventory of refractory materials and fasteners
  • They have no minimum order requirement
  • They ship inventory on hand within a day
  • They carry a large spectrum of sizes
  • They offer custom capabilities
  • They offer free advice and fee consultation

Thermo Shield’s materials are 99.95% pure (unless otherwise stated), and they also have the ability to provide alloys. In addition to their core materials, they can source other materials to suit your needs.

For your convenience, Thermo Shield has no minimum and ships same day from stock policy to handle your emergencies. They have one of the largest stock inventories of threaded rods, screws, nuts, and washers and they are all available in inches and metric sizes.






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