Purchase Checklist
In order to choose the hardware technically appropriate for the entrance door to your flat or house, any interior door or to choose the right window handle it is important to be aware of the following points and to compare them with the information of the product packaging.
Door hardware
1. For which type of door are the new handles required?
Handle sets for interior doors
In the case of interior doors you will find the following type of keyhole.
oval standard keyhole (OB)
external / internal
WC handle sets
If you want to have a WC handle set fitted to your WC doors, you need to know that a WC lock is built in, or can be built in, on these doors.
external: slotted head
internal: turn button
(SK-OL)
external: slotted head with red/white indicator
internal: turn button
(RW-SS/OL)
external / internal
2. Do you have a “right-hand” or “left-hand” door (according to DIN, German Industrial Standard)?
In the case of certain curved handle designs for the interior door side you need to ensure whether you need left-hand or right-hand specification.
Example of a handle design where you need to be sure whether you need a right-hand or left-hand specification:
Handle showing to the right
Handle showing to the left
In order to ascertain which one you want, stand in front of the interior side of your entrance door and check whether the hinges are to the left or the right on the door. In the case of a DIN left-hand door you need a handle pointing to the left and in the case of a DIN right-hand door, a handle pointing to the right.
DIN right
DIN left
3. Which measurements are necessary when buying your Handle of excellence?
1) Spindle size:
spindle on the handle (i.e. spindle neck on the lock case) is normally 8 mm
spindle on WC knob (i.e. spindle neck for WC knob on the lock case) is normally 5 mm diagonally
2) Door thickness:
For the correct spindle and screws, you need to know how thick your door is in mm. This may be 50-95 mm, depending on the door’s insulation properties.
On the HOPPE external door handle set, the packaging states the door thickness for which the handle set is designed.
In order to be able to choose the handles which are right for your doors, it’s important to compare the information from the check-list with the details on the packaging.
Appropriate mounting items as well as detailed assembly instructions can be found with every HOPPE product.
Window handles
4. Are you able to replace your window handles easily?
It’s easy to replace your present window handles with new ones, for example lockable window handles like Secu100® + Secustik® or Secustik®.
Turn the old handle to the opening position (horizontal). Then lift the cover cap slightly and rotate it by 90 °. Loosen the screw and remove the old handle. Now you can fit the new handle.
Spindle length
The window profile affects the length of the spindle. Please measure the spindle length of the old window handle and compare it with the information on the packaging.
Spindle size
spindle size is normally 8 mm