Lock for thin doors (mailbox), accepts Profilzylinder (german lock insert) [FreeCAD]
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With this lock you can replace your mailbox lock with the very same as used for the rest of your property!
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Model information
- Source
- Printables
- Category
- Outdoor & Garden
- License
- GNU Lesser General Public License
This lock accepty a Profilzylinder 40/10 (a standard one sided german lock insert, 50mm length, lever 40mm behind the door).
It is fixed with mushroom head bolts (Flachrundschrauben mit Vierkantansatz DIN603): 3x M5x20 and 3x M5x60, requiring 5x M5 nuts and 5x M5 washers.
The Profilzylinder is fixed with a standard M5x15 screw.
For fixing the lever you need 1x M3x15 and 1x M3x25 screws with 2x M3 nuts.
The lever of the Profilzylinder needs to be adjustable (my ABUS Profilzylinder is sufficient) to a 90° angle in unrotated state.
For the Flachrundschrauben there is enough space to fix M6 screws, just adjust the bores. Also think about the precision you can drill holes in your door, maybe you shall increase the bores just because of this.
The M5 nuts can be tightened with a wrench, but one with a standard thickness probably does not fit well. So you should use a thinner one, or just sone thin pliers.
You need to drill holes in the door for the M5 screws and then hone them to be squared. So use the smallest bore diameter to fit a file. For the Profilzylinder i drilled a 18mm hole in the center. German mailboxes seem to be quite resistant against corrosion.