You don't need to drill out the head lock on newer Williams/Bally games if
you can just use remove the tamper-proof Torx screws. This can be done
using either the correct torx tool or a pair of vise grips. Be careful with
the vise grips as they will scratch the screws.
New tips are welcome and encouraged. Tips will be credited to those who
contribute. If you would like to submit a tip click
For more information you may contact us by email, email form, or by phone at (801)
277-6296 (voice and message), or (801) 277-0888 (message).