Welcome!
This app is a tool to help mechanical & design engineers in their daily work. It provides dimensional information for bolted joint calculations.
Please note that the app is not suitable for manufacturers since not all measures are presented. Instead, please refer to standard providers for the complete standard.
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Cookies & License
The dimensions presented in this app are copyrighted material which is reproduced from a standard with due permission to Nord-Lock International AB from SIS, Swedish Institute for Standards. Please agree to our license agreement before proceeding using the app.