MAS rotor cap/bottom assembly tool

Waste no time with packing and closing your rotor – have more time for designing and implementing your experiments.


NMR Service offers an easy-to-handle rotor cap assembly tool for Bruker 2.5, 3.2, and 4.0 mm MAS rotors. Please do not hesitate to contact us for additional details.


rcat 4 mm
Rotor cap assembly tools for 3.2 and 4.0 mm rotors.


rcat 2.5 mm

Rotor bottom and drive cap assembly tool for 2.5 mm rotors - in action.



  • Suitable for 2.5, 3.2, and 4.0 mm MAS rotors
  • Damage free assembly of MAS rotor caps
  • Easy handling with highest precision and efficiency
  • Assembly of MAS rotors in <30 s
  • Robust and compact design
  • Suitable for the glovebox