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DS/EN ISO 2320:2015
Fasteners - Prevailing torque steel nuts - Functional properties
This International Standard specifies the functional properties for prevailing torque type steel nuts when tested*at an ambient temperature range of +10 C to +35 C. It includes a single test to determine the prevailing*torque properties and/or the torque/clamp force properties.*It applies to prevailing torque all metal type nuts and prevailing torque non-metallic insert type nuts:*a) with triangular ISO thread according to ISO 68-1;*b) with diameter/pitch combination according to ISO 261 and ISO 262;*c) with coarse pitch thread M5 to M39 or with fine pitch thread M8╫1 to M39╫3;*d) with mechanical properties according to ISO 898-2;
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Danish Standards [ds]
Danish Standards [ds]