uPVC Letterbox Hinge Pin Replacement - Hex End (UK Door Letter Plate)
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Replacement hinge pin for uPVC door letterboxes - hex ended, the correct type for most UK front doors.
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Updated at source:
Model information
- Source
- Printables
- Category
- Other House Equipment
- License
- Creative Commons — Attribution — Noncommercial — NoDerivatives
Need a custom size?
The fully parametric version lets you adjust every dimension to fit your letterbox exactly.
Grab it here: uPVC Letterbox Hinge Pin + Tool — Parametric (Hex End, UK Door Letter Plate)
If your letterbox flap is floppy or has fallen off, this is almost certainly the part you need. The original plastic pin snaps easily, usually after a heavy-handed postman forces an oversized parcel through. Replacing it takes minutes and saves you buying a new letterbox.
The only other 3D printable letterbox pin available uses a square end. This one uses the correct hexagonal end, matching the factory original.
Dimensions:
Total length: 86mm
Hex head: 4mm diameter, 3mm long
Shaft: 83mm (including tab feature)
Tab: 7mm long, beginning 74mm from hex end
Note: Letterbox pin sizes vary across manufacturers. Measure your broken pin before printing.
Print Settings:
Material: PETG — do not use PLA
Layer height: 0.2mm
Infill: 100%
Supports: Normal
Walls/perimeters: 6 minimum
Seam: Random (or best config to avoid the seam on the Hex Nut)
Orientation: Print horizontally