Try to measure the overall thickness of the door and trim together at the point the spindle passes through the lock.
Front door split spindle.
Spindle 8mm x 4 15 16 split 125mm length 2 1 2 door split spindle for 2 5 inch thick doors.
Era upvc split spindle pack door handle and door lock for key only entry by era 54 72mm era 4 2 out of 5 stars 3.
Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.
This is because if you push down the outside handle it will not operate the latch bolt in the door.
The spindle passes through a square port inside the lock mechanism and operates the strike when a knob is turned.
It is in fact the key that turns the latch bolt.
Split spindle relates the actual spindle inside the handles having a split in the middle.
Door spindles connect the doorknobs on each side of a door.
In photo 24 the door is 1 3 4 plus about of trim.
Add to this size a sufficient length for spindle to attach your knob or lever.
Split spindles if your multi point locking door has a split spindle it means that when you go outside and close the door you will need a key to get back in.
Dual spindle refers to there being two separate spindles usually used in lever pad door handles which are offset different heights.