Use tab as delimiter

_$: cut -f2,6 file      # \t is the default delimiter
_$: cut -d$'\t' -f2,6   # but we can use expressions as this one in bash

Example: Print fields 2 and 6

_$: cut -f2,6 file

Example: Print fields 2 to 6:

_$: cut -f2-6 file