Practical trick
Use the right screwdriver bit to avoid cam-out
Match the bit to the screw head so it drives cleanly without chewing the recess.
Works well for
- Phillips, Pozidriv or Torx screws
- Furniture assembly
- Removing old screws carefully
Do not use for
- Wrong bit sizes
- Worn bits
- Forcing damaged screws
What this trick does
Match the bit to the screw head so it drives cleanly without chewing the recess. It is best treated as a light-duty, inspectable DIY trick, not a permanent or critical repair.
How to do it
- Mark the position clearly and check for hidden cables or pipes before drilling.
- Choose a fixing that matches the material and the likely load.
- Drill a pilot or plug hole where the method requires it.
- Drive the screw or fixing straight and stop before the head strips or sinks too far.
- Test gently and reassess if the wall, timber or fitting feels weak.
Where it works well
Use it where the job is small, visible and easy to check afterwards. If failure would matter, use a proper product, fixing or repair instead.
Common mistakes
- Treating a temporary trick as a permanent repair.
- Applying too much force and damaging the workpiece.
- Forgetting to inspect the result after a few minutes of use.
Safety note
Check for hidden cables and pipes before drilling. Wall fixings depend on wall type and load. Do not invent load ratings. Heavy items need appropriate fixings, judgement and eye protection when drilling.
TODO: Add reputable external references for this topic.