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DIN 6885-3:2021
Drive type fastenings without taper action, parallel keys, keyways - Low pattern - Part 3: Dimensions, tolerances, mass
This document specifies the dimensions and technical delivery conditions for low pattern keys according to DIN EN 10277:2018-09, made of plain key steel according to DIN EN 6880:2011-06.
Deutsches Institut für Normung [din]