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DIN 980 > DIN EN ISO 10513

Old norm DIN 980 All-metal prevailing torque type hexagon nuts
Current norm: DIN EN ISO 10513 Prevailing torque type all-metal hexagon nuts, style 2, with metric fine pitch thread - Property classes 8, 10 and 12
Current release: 1998-02
Changes: nominal sizes M18x2, M18x1.5, M20x2, M22x2, M22x1.5, M27x2, M33x2 and M39x3 cancelled
wrench size for M10 changed from 17 to 16
wrench size for M12 changed from 19 to 18
wrench size for M14 changed from 22 to 21
height of the nuts decreased
sttandard threads cancelled
Comment: besides wrench size interchangeable
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