Round nuts with pin holes on the sides, defined in the DIN 548 standard published by the German Institute for Standardization (DIN), are parts usually made of steel, stainless steel or non-ferrous metals, designed for various purposes, such as in electrical engineering. These nuts can be tightened with a type B hook wrench as specified in the DIN 1810 standard and are intended to be used for locking components where certain pretension forces or certain resistance to peeling are not required.
The requirements for these round nuts are as described in DIN 267-1. Mechanical properties are as described in DIN 1651 for steel, DIN 267-2 for stainless steel, and DIN 267-18 for non-ferrous metals. Permissible dimensional and shape deviations are as described in ISO 4759-1. Regarding the finish, DIN 267-20 applies; for permissible surface discontinuities, DIN 267-9 applies regarding electroplating; and DIN 50942 applies regarding the acceptance of metals. Furthermore, DIN 267-5 applies regarding acceptance testing.
The referenced standards are:
Among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors, our organization also provides testing services for round nuts with adjustable pin holes on the sides, within the scope of DIN 548 standard, with its trained and expert staff and advanced technological equipment.
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