Knuckle threads

Our product range of threaded spindles includes single-start and multi-start ISO-metric and imperial knuckle threads according to the German standards DIN 405, DIN 15403 and DIN 20400.

Since we can manufacture our tools by our own in-house production, we have the ability to produce any special design according to your mechanical drawing or sample.

Our threaded spindles and knuckle threads according to international standards

Application of knuckle threads

Knuckle threads are insensitive to dirt and damage due to their round shape.

They can be used as fastening screw threads in clutch or brake spindles of railway cars as well as for large valves and gates.

Our iso metric threaded spindles and threaded nuts

Product information on knuckle threads

Here you can find the nominal dimensions for the knuckle thread profiles according to DIN 405.

You can download a table of the nominal dimensions for the knuckle thread profiles as well as a sample of a technical drawing of the profile as PDF file.

Find the thread standard for your knuckle thread here.

Find a technical drawing of a knuckle thread here (sample).

Please send your specific enquiry with your mechanical drawing for your knuckle thread.

You do not have a mechanical drawing available? Simply send us a sample and our team will prepare a corresponding offer.

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