GN 237.3


  • Type A: With Bores for Countersunk Screws
  • Type B: With Bores for Countersunk Screws and Centering Attachments

Version NI

Stainless steel NI

German Material No. 1.4405

Martensite (C1)

Matte shot-blasted GS

Powder coated

Black, RAL 9005, textured finish SW

Hinge pin

Stainless steel AISI 440B

  • Tempered
  • With special grease lubricated

Shim washers

Stainless steel AISI 301

With special grease lubricated

Hinge pin

Stainless steel

  • German Material No. 1.4542
  • Tempered
  • With special grease lubricated, FDA compliant, class H1

Shim washers

Stainless steel AISI 316Ti

With special grease lubricated, FDA compliant, class H1

Heavy duty hinges GN 237.3 are designed for use under tough conditions and are distinguished by a compact design. The hinge pins are integral and allow the hinges to be used in environments with strong vibrations and shocks.

The material of the hinge wings is very robust and, thanks to the martensite structure, is suitable for use in aggressive environments, albeit subject to some restrictions. Wear is minimized by the effective friction pairing of the hinge components and lubrication.

The heavy-duty hinges can also be used in particularly aggressive environments thanks to the materials used.

The type B hinge has centering attachments that prevent lateral slippage under high loads and protect the mounting screws from impermissible transverse force.

  • Stainless Steel Characteristics 
  • Load Rating Information of Metal Hinges 


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