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ČSN EN ISO 2320 (021011)
Fasteners - Prevailing torque steel nuts - Functional properties
Translate name
STANDARD published on 1.7.2016
The information about the standard:
Designation standards: ČSN EN ISO 2320
Classification mark: 021011
Catalog number: 99806
Publication date standards: 1.7.2016
SKU: NS-641575
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 2320 (021011):
This International Standard specifies the functional properties for prevailing torque steel nuts when tested at an ambient temperature range of +10 °C to +35 °C. It includes a combined test method to determine the prevailing torque properties and the torque/clamp force properties at the same time. It applies to prevailing torque all metal type nuts and prevailing torque non-metallic insert type nuts: - with triangular ISO thread in accordance with ISO 68-1; - with diameter/pitch combination in accordance with ISO 261 and ISO 262; - with coarse pitch thread M5 to M39 or with fine pitch thread M8 × 1 to M39 × 3; - with thread tolerances in accordance with ISO 965-2; - with mechanical properties in accordance with ISO 898-2; Prevailing torque values specified in this standard are based on laboratory test conditions. NOTE 1 - Actual prevailing torques in practical application can vary. NOTE 2 - All metal type nuts conforming to the requirements of this International Standard are used in applications ranging from -50 °C to +150 °C. NOTE 3 - Non-metallic insert type nuts conforming to the requirements of this International Standard are used in applications ranging from -50 °C to +120 °C. WARNING - Temperatures outside the ambient temperature range can influence the functional properties (torque/clamp force and prevailing torque properties), see Annex A
Preview of the standard ČSN EN ISO 2320 (021011)
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