Automotive > Tires & Wheels > Wheel & Tire Accessories > Lug Wrenches
17x19x21x23mm Carbon Steel Cross Lug Wrench
Brand: Generic / OEM
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Audited BOM: 3 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 use of low-grade carbon steel without adequate heat treatment (ENG-001) leads to low hardness of the main body (COMP-001), resulting in deformation under torque (RMA-001), as reported by consumers (REV-001, REV-005).
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