If it goes pear-shaped you can always order one from Warmoth or somewhere, complete with truss rod and frets. 1.5mm thickness will make no difference, I wouldn't be surprised if the factory fender ones vary by even more than that over the years. I really miss my tele, had a nice MIJ 72 custom reissue in black on black with a maple fretboard, was a lovely guitar. Sold it to pay rent when my daughter was little, single income life