Cylinder Winkhaus N-tra 40K/55 with knob, Nickel, certificated, 3 keys

Winkhaus N-tr cylinder with knob and 3 keys drilled, horizontal, symmetrical:
- 6 roller pledges per side (5 pledge lengths)
- additionally up to 8 springless horizontal locking pledges
- stainless steel housing pledges
- protection against reaming (hardened stainless steel pins)
- one-piece sintered steel driver with non-toxic corrosion protection
- protection against tampering opening (special pins)
- key protected by patent until 2029
- paracentric profile of the key channel
- elongated key socket (up to 13 mm)allows more combinations with security plates
- specially designed shape of the cylinder stabilizes and strengthens the key guide
- protection against unauthorized copying of the key
Complete with cylinder, code card, fixing screw

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How to choose the right size of the cylinder?

Watch the video below.