Key Hanger for Electronic Lock Key Box TTlock Tuya

The two hooks can each be reinforced from behind with an M3 x 16 mm countersunk screw. Screw the screw directly into the plastic.

For mounting, simply remove the existing screw in the middle and replace it with a flat M4 x 6mm cylinder head screw.

CAD Model

https://cad.onshape.com/documents/3807767c16582c6f1bac4b1a/w/fca216ce86258d6e55e76f79/e/782b83cf93ae0416bb0e0c34?renderMode=0&uiState=662f52b83ccfb33e9a73fd25

Lock Box Supplier Link

https://www.aliexpress.com/item/1005006116330987.html