What do you call the bar that goes through a door handle?
A spindle is a length of square rod or bar, made from metal, usually steel, which connects two Door Handles or Door Knobs together on either side of a door. The spindle locates into the square holes found at the back of a set of door handles or door knobs.
What is a Latchbolt?
simple latch. A spring bolt, one edge of which is beveled; when the door or window to which it is attached is closed, the bolt is forced inward; when in the fully closed position, the bolt springs back into a fixed notch or cavity.
Is a door handle a lever?
The door handle has only a lever handle or knob which operates this latch. Pushing the handle down rotates the spindle, operating the tubular latch mechanism inside the door, allowing it to be opened. … Pushing the lever or turning the knob pulls the cylinder in the direction of the turn.
What does 60mm backset mean?
‘Backset’ is the distance from the front of the lock to the centre of the spindle as shown here. … Almost ALL domestic mortice locks and tubular latches are supplied with either a 44mm or 57mm backset length. These equate to case sizes of 2.1/2″ or 3″ in imperial measurements. Commercial (DIN) lockcases are 60mm backset.
How high is a doorknob?
Given that most contractors install the doorknob around 36 inches from the floor, a deadbolt should be positioned somewhere around 42 inches to 46 inches off the floor. Most homeowners split the difference and install it roughly 44 inches from the floor.
Are door latches standard size?
The most common size has a casing which is 63mm in depth and the distance to the middle of the square operating spindle is 44mm. This size of latch is used for the majority of lever handles on back plates, where the width of the back plate is about 40-45mm.