Technical data of DIN 6888
values in mm
DIN 6888 (ISO 3912)
1) Valid for keys, which are used as
a fitting key transmitting the whole turning moment.
2) Valid for keys, which are only used for the positioning of the driving element, while for the transmission of the turning moment other articles (e.g. wedge cotters or taper pins) are used.
3) This size is not DIN standardised.