Question about Möhlenhoff Actuator

Unfortunately, there is no information about the thread diameter, but this actuator is especially suitable for the following distributors:

AO-Therm brass manifold Aquatechnik Italy (Multirapid, until 2007, from 2009) Athe-Therm (brass until February 2005) BHS manifold Böhnisch /SBK (from 1998) Brugman Caleffi manifold Series 670 (plastic) Cosmo (Objekt-Line) (CMV modular manifold) Cuprotherm Delphis-Therm Emmeti Empur brass HKV EQ-Therm brass HKV Francs (from 2003) GC manifold Gomacal Heimeier Herb Inteca IVAR IVR stainless steel HKV Jaga Jupiter Kemper stainless steel Kermi Mair (from 1998) Ratiodümm RDZ (brass manifold) RBM Remo Roth Roversy Sauter Schlösser (after 1993) Simplex manifold SKV Strasshofer Taco (Vogel & Noot, Cosmo inox.) Therminon HKV module Thermoval TKM Tour & Andersson (after 1999) Unicor brass manifold Voogel & Noot (Cosmo brass manifold) Watts (Voogel & Noot, Finimetall, Myson).