Hex Socket Screws – Stainless Steel (TCEI – TBEI + TBEI/FL – TPSEI)

Hex socket screws include the following types:

  • TCEI – Cylindrical head with hex socket (DIN 912 / UNI 5931);
  • TBEI – Button head with hex socket (ISO 7380);
  • TBEI/FL – Flanged button head with hex socket (ISO 7380-2);
  • TSPEI – Flat countersunk head with hex socket (DIN 7991 / UNI 5933);

These screws are distinguished by their internal hex drive, making them ideal for tight spaces and assemblies that require a clean look or secure tightening.


 


Fields of Application

Our stainless steel screws and bolts are used in:

  • Mechanical industry: fastening precision components and machinery.
  • Automotive: assembly of engine internals and lightweight frame parts.
  • Aerospace: applications requiring reduced weight and maximum safety.
  • Electronics: compact and discreet fixings for devices.
  • Industrial design: aesthetic solutions for furniture and structural elements.

Types


Cylindrical Head Screws with Hex Socket – Stainless Steel

Grades:

  • A2 | AISI 304
  • A4 | AISI 316
  • A4-80 | AISI 316-80
UNI DIN ISO
5931 912 /


Flat Countersunk Head Screws with Hex Socket – Stainless Steel

Grades:

  • A2 | AISI 304
  • A4 | AISI 316
UNI DIN ISO
5933 7991

Button Head Screws with Hex Socket – Stainless Steel

Grades:

  • A2 | AISI 304
UNI DIN ISO
7380