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M2.5 M3 M4 M5 M6 M8 M10 M12 Genuine helicoil insert wire thread repair metric

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50x Stainless Steel Self-Tapping Thread Inserts Set M3–M16 Industrial Repair Kit

M3 M4 M5 M6 M8 M10 M12 Thread Reducers Self Tapping Thread Repair Inserts Nuts