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

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

50PCS Stainless Steel Self-Tapping Quick Thread Inserts Set M3-M16 Repair w/ box

Thread Reducer Self-tapping Thread Repair Inserts Nuts M2 M3 M4 M5 M6 M8 to M20