What are the fasteners made of?
What length tolerance does the profile tube system D30 submit?
What is the maximum angular accurancy in the system?
Do the connections have to be retightened?
What is the load-carrying capacity of the tubes and fasteners?
Does item offer a range of different fasteners?
Are the tubes and fasteners in profile tube system D30 electrostatically dissipative?
How versatile is the profile tube system D30 when it comes to extending constructions?
Are there different fasteners for single, double, triple and multiple connections?
Is the lean production building kit system compatible with other item profiles?