Spacer bolts
Spacer bolts - also called spacer bolts - are used to hold objects such as B. to keep a distance or to fix on printed circuit boards . The spacer bolts are mainly made of hexagonal material to ensure easy assembly. There is no special industry standard for spacer bolts. Spacer bolts are manufactured on cam-controlled automatic lathes.
The bolts are of different types of threads , such as internal / external threads or internal / internal thread and different wrench sizes offered (SW). They are used, for example, in transformer and device construction, in measurement technology or in control cabinets and are made of brass , aluminum , plastic (e.g. polyamide ) or stainless steel , depending on customer requirements and the area of application .
literature
- Rudolf Koller: Design for mechanical engineering: Basics for new and further development of technical products . 4th edition. Springer, 2011, ISBN 978-3-642-80418-2 (first edition: 1998, reprint).