MATERIALS

In fasteners and bolts, material selection plays a crucial role in ensuring secure fastening even under the most extreme conditions.
Fastener Materials are selected based on:

  • Purpose of use

  • Shape and size

  • Strength and durability to be ensured

  • Follow-up treatments

EFS supplies special fasteners and bolts in the following materials.

Bolt identification marks

Cold-formed plastics

Common construction steels

Duplex and superduplex materials

Heat-resistant materials and nickel alloys

Reclamation steels

Materials resistant to extremely high temperatures and nickel alloys

High temperature resistant materials

Nickel alloys

Steel for machining on automatic machines

Strength classes for connecting elements

Rust and acid resistant materials

Weight of steel bars

Titanium

In addition to the materials mentioned above, which are the most common, it is possible to request hardware and bolts in other materials that will be evaluated.

NEED A PARTNER FOR SPECIAL BOLTS?

We supply custom-designed fasteners for critical applications — with certified quality, full traceability, and technical support.
Fill out the contact form or call us: our team is ready to assist you with tailored solutions.