Choosing a drone or RC servo: torque, voltage, size and control interface
https://fly-supply.net/en/guides/drone-rc-servo-selection

Your enquiry checklist
[ ] Civilian application and required servo type/movement
[ ] Existing exact model and proposed quantity
[ ] Actual regulated supply voltage and current capability
[ ] Load/travel requirement and relevant linkage details
[ ] Case drawing, mounting constraints, spline and horn
[ ] Controller/interface, required programmer/accessories and date

Use this guide to prepare a request. Exact suitability, installation eligibility, applicable documentation and service scope are confirmed for the specific equipment and application.