Outstanding chemical resistance at elevated temperatures

  • Virtually inert to most organics, acids and basesPTFE Bolts
  • Usable up to 260°C / 500°F but weakens significantly
  • Excellent electrical insulator
  • High purity for sensitive pharmaceutical and food type applications
  • PTFE hex head bolt features and benefits

PTFE hex head bolts are made from the fluoropolymer polytetrafluoroethylene and are known for being exceptionally corrosion resistant and inert at elevated temperatures. PTFE bolts are inert to most chemical environments including organics, acids, bases, mixed chemicals and hyrdofluoric acid. Additionally PTFE hex head bolts are bio-inert and will not leach into or contaminate sensitive pharmaceuticals or food based products.

Compared to other high performance polymer bolts like PEEK or PVDF, PTFE hex head bolts offer the best all-around corrosion resistance especially at elevated temperatures. However the trade-off for its extraordinary corrosion resistance is the lower tensile strength compared to PVDF or PEEK bolts.

Bolt Types Available: Hex BoltsShoulder Bolts

 


PTFE Hex Head Bolt Features and Benefits

It is important to differentiate between a PTFE hex head bolt and hex head cap screw. Often people assume they are the same, but they are actually very different fasteners in terms of how they are manufactured, as well as from an application perspective. Regardless of your choice, PTFE hex heads offer strong, stable joints because of their large head service. 

The Hex Comparison

Hex Head Bolts

Hex Head Cap Screw
  • Hex bolts have a flat end and lack the washer face under the head.
  • Appropriate for when mechanical properties are more important than dimensional tolerances.
  • Features flat washer facing under the bolt head.
  • Also called a finished hex bolt. 
  • Has tighter tolerances on the body dimensions. 
  • Best used for precise applications where tight tolerances on the body dimensions are required. 

 


Mechanical Data

PTFE Stress vs Strain @ Various Temps.   

 PTFE Tensile Data


PTFE Properties

PTFE Properties

Request a Quote / Order

Call: 888-393-4517 or Submit a Request

Not sure what material is best for your application?

Contact an Expert

Questions?

Our material experts are ready to help guide you through your specific application.

Contact an Expert