Symptoms
- Screws drive too deep and strip the material
- Screws stop too early and aren't fully seated
- Clutch clicks but keeps driving anyway
- Clutch setting doesn't seem to change anything
Likely causes
- CommonClutch collar set too high or on the drill-bit iconThe drill-bit setting bypasses the clutch entirely and drives at full torque.
- CommonClutch collar set too low for the screw and materialA low number stops the bit before the screw is properly seated.
- PossibleClutch ring not seated or aligned correctlyOn some models the collar can be misaligned a half-click and land between settings.
- Less commonClutch mechanism worn from years of useInternal clutch plates can wear smooth and stop gripping reliably at the set torque.
- PossibleUsing impact driver in place of a clutch drillImpact drivers don't have a torque clutch the same way and will keep driving until you release the trigger.
What to do
- Confirm the collar is turned to a numbered clutch setting, not the drill-bit icon, if you want torque control.
- Start on a low number and test on scrap material or an inconspicuous spot, increasing until the screw seats properly.
- Turn the collar until you feel or hear a distinct click into a numbered position rather than leaving it between settings.
- For driving many similar screws, find the right setting once and leave it, rather than re-guessing each time.
- If you're using an impact driver, remember it has no clutch and control depth with trigger control and practice instead.
- If the clutch clicks audibly but keeps driving through the click at every setting, the clutch mechanism itself has likely worn out.
When to call a pro
A worn clutch mechanism generally isn't worth repairing on a budget drill; on a higher-end tool, a repair center can rebuild or replace the clutch assembly.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.