All coupling series except ARPEX clamping hubs and FLUDEX with keyway to ASME B17.1

Bore tolerance H7

ARPEX clamping hubs

Bore tolerance H6

FLUDEX couplings with keyway to ASME B17.1

Hollow shafts:
Bore tolerance K7
Other parts
Bore tolerance M7

All coupling series with bore diameter - imperial

Parallel keyway to ASME B17.1

Bore diameter metric in the case of ZAPEX and ARPEX coupling series as well as coupling hubs with applied brake disks or brake drums of the N-EUPEX and RUPEX series

Parallel keyway to DIN 6885-1 - keyway width P9

Bore diameter metric in the case of the N-EUPEX, RUPEX, BIPEX, ELPEX-S, ELPEX-B, ELPEX, FLUDEX coupling series

Parallel keyway to DIN 6885-1 - keyway width JS9

All coupling series except FLUDEX

Axial locking by means of set screw

FLUDEX coupling series

Axial lock by means of set screw or end washer

All coupling series

Balancing in accordance with half parallel key standard

ZAPEX, ARPEX, N-EUPEX, RUPEX, BIPEX, ELPEX-S, ELPEX-B and ELPEX coupling series

Balancing quality G16

FLUDEX coupling series

Balancing quality G6.3

All series

Unpainted

All series

Preservation with cleaning emulsion

FLUDEX couplings

Fuse 140 °C