Dormakaba Spindle Insert Extended By 7.5 mm
45200403
Features:
- Provide greater floor clearance if required (e.g. doors with thresholds, carpeted floors etc)
- Extended spindle to suit the Dormakaba BTSconcealed floor spring
- Ideal for carpeted floors or doors with thresholds
Calculating the necessary length of spindle extension
Extension = XFloor clearance (normally 8 mm)
Collar height Z of the extended spindle inserts = Spindle extension length + 3 mm
(collar height of the standard spindle insert)








