Tools & Home Improvement > Power & Hand Tools > Power Tools > Power Screwdrivers
4.2V Electric Screwdriver with Accessories MM-T104
Brand: Generic / OEM
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Audited BOM: 10 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The low-quality (tier 3) motor overheats rapidly due to its construction and excessive effort to compensate for lack of torque, leading to failure and RMA.
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