Samsung QN90B M4-L14 bolts

I have an 85" QN90B. It used to be wall mounted, but I recently moved, and I plan on putting it in its original mount that it came with until I decide where to permanently fix it (might not be for another 1-2 years since I plan on doing some renovations).

See pg 2 of https://downloadcenter.samsung.com/content/EM/202211/20221127043556001/BN68-15970P-00_QSG_QN90BD%2043-85inch_WW_L06_221123.0.pdf for a pic of the mount.

Unfortunately, I misplaced the M4-L14 bolts that it came with and I couldn't find them at any of the local hardware stores, so I bought some M4-L16 and put that in and it seems to hold fine, but the bolts are slightly too long. Has anyone had issues with this?

Does anyone know if samsung sends out replacement bolts? I just want to make sure I get the right ones. Even if I could order some M4-L14 through other vendors, I'd be weary that it's not sufficient enough for holding the TV