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Chucks & Fittings
2 documented faults under Chucks & Fittings. Each entry sets out the symptom as owners report it, the most likely cause, the checks that confirm or rule it out, and whether the repair is worth doing — compiled and cross-checked from manufacturer documentation and owner reports, with sources listed on every page.
Documented faults
- Axminster AP340PD
The drill bit visibly wobbles or runs noticeably out of true while spinning, instead of turning dead straight
Axminster's own troubleshooting table for this pillar drill names four distinct causes for run-out or wobble: a bent drill bit, the bit not properly seated in the chuck, the chuck not properly seated on the spindle, and worn spindle bearings — only the last of those needs a replacement part
Chucks & Fittings 2026-09-22 - DeWalt DCF887
Impact driver no longer holds bits securely — bits wobble, slip, or drop out of the chuck mid-job
Worn bit-retention parts in the quarter-inch hex chuck — the retaining ball, spring, or sleeve no longer grip the bit's groove
Chucks & Fittings 2026-05-26
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