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DIN 985 > DIN EN ISO 10511

Old norm DIN 985 Prevailing torque type hexagon thin nuts with nonmetallic insert
Current norm: DIN EN ISO 10511 Prevailing torque type hexagon, thin nuts (with non-metallic insert)
Current release: 1998-02
Changes: 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
nominal sizes M7, M18, M22, M33 and > M36 cancelled
only class 04 and 05 remaining
fine thread cancelled

Comment: besides wrench size interchangeable
Drawing:
Ware groups: