Is the HEAVY DUTY Aluminum Rail Nut with Metric Thread, Type NHD suitable for continuous use at 6 bar and temperatures from -20°C to +70°C?

Yes. The HEAVY DUTY Aluminum Rail Nut with Metric Thread, Type NHD is suitable for continuous use at up to 6 bar and across the temperature range −20°C to +70°C. It is made from high‑quality aluminum for durability and lightness, features a precise metric thread compatible with a hook wrench for secure installation, and incorporates an NBR sealing element rated for working pressures up to 6 bar and engineered to perform reliably between −20°C and +70°C.

Can the HEAVY DUTY Aluminum Rail Nut with Metric Thread, Type NHD be installed using a standard hook wrench in confined railway applications?

Yes. The HEAVY DUTY Aluminum Rail Nut with Metric Thread, Type NHD can be installed using a standard hook wrench in confined railway applications. Its design explicitly states compatibility with a hook wrench, and the aluminum construction reduces weight for easier handling in tight spaces. The integrated NBR sealing element and precise metric thread allow secure, reliable installation while maintaining sealing performance up to 6 bar and across a temperature range of −20°C to +70°C, making it suitable for demanding, confined railway environments.

HEAVY DUTY Aluminum Rail Nut with Metric Thread, Type NHD

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Additional information

The HEAVY DUTY railway nut with integrated seal is a robust and reliable solution designed for demanding applications where durability and precision are essential. Manufactured from high‑quality aluminum, it combines strength with reduced weight, ensuring easy handling and long service life. The nut features a precise metric thread and is compatible with a hook wrench, allowing for secure and efficient installation even in challenging conditions. Its NBR sealing element guarantees excellent resistance to wear, oils, and pressure fluctuations, maintaining tightness and reliability at working pressures up to 6 bar. Engineered to perform in a wide temperature range from -20°C to +70°C, this component ensures consistent performance in both cold and hot environments. Ideal for railway systems and other industrial applications requiring dependable fastening with effective sealing, it offers a perfect balance of safety, functionality, and efficiency.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
ZK-NHD-130-06-A	Rail nut HD GW M130x6, aluminum	-	-
ZK-NHD-130-09-A	HD railway nut GW M130x9, aluminum	-	-
ZK-NHD-140-10-A	HD railway nut GW M140x10, aluminum	-	-

The HEAVY DUTY railway nut with integrated seal is a robust and reliable solution designed for demanding applications where durability and precision are essential. Manufactured from high‑quality aluminum, it combines strength with reduced weight, ensuring easy handling and long service life. The nut features a precise metric thread and is compatible with a hook wrench, allowing for secure and efficient installation even in challenging conditions. Its NBR sealing element guarantees excellent resistance to wear, oils, and pressure fluctuations, maintaining tightness and reliability at working pressures up to 6 bar. Engineered to perform in a wide temperature range from -20°C to +70°C, this component ensures consistent performance in both cold and hot environments. Ideal for railway systems and other industrial applications requiring dependable fastening with effective sealing, it offers a perfect balance of safety, functionality, and efficiency.