If you do end up cutting it off and needing to put a new end on it, I'd recommend getting a surface mount box instead, terminating to that, and using a 1' or whatever length machine made cable from there.
Years of being around this stuff and I never make my own cables unless there is some highly specific reason, jacks are much easier to get correct.
I usually use these:
https://www.amazon.com/Listed-Cable-Matters-Surface-Mount/dp/B00IO3H88C/ref=sr_1_3?crid=34LMPR2MZFWR4&keywords=cat6%2Bbiscuit%2Bjack&qid=1680907438&sprefix=cat6%2Bbiscuit%2Bjac%2Caps%2C146&sr=8-3&th=1