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GG Special Parts

knowing what matters.

It is not the intended use of our products that determines our work, but the absolute realisation of the specifications set by our clients.
What comes to us as a CAD drawing, leaves in the form of its exact three-dimensional replica.
This essential demand for precision also shapes our attitude towards, speciality screws/pieces – those are nothing special to us.


product samples 

Special screws

The company Gebr. Grohmann GmbH manufactures bolted connections according to all national and international standards (DIN, ANSI, EN) or for your individual requirement.

Stud-bolt according DIN2510/2509; stud-bolts, nuts, washers and extension sleeves.



Individual customized parts

We are in the position to produce special bolts as turbines bolts and parting line bolts in sized dimensions from M8 to M200 and in a maximum length of 2,000 mm on the strength of the ultra-modern CNC technics.



Your Inquiry

You have special requirements and/or CAD-Drawings?
Please do not hesitate to send us your inquiry on these special products. Inquiry form



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    17 configurations saved

    Typ: stud-bolts with reduced shank

    3 configurations

    Typ: Hex bolts

    7 configurations

    Typ: Stud Screw

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    Typ: Cheese Head Screw

    1 Configuration

    Typ: nuts

    2 configurations

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