90/220/300pcs M3 M4 M5 M6 M8 M10 M12 Carbon Steel Rivet nuts Zinc Plated Blind Threaded Insert Nutsert Cap Flat Head Rivet Nuts

90/220/300pcs M3 M4 M5 M6 M8 M10 M12 Carbon Steel Rivet nuts Zinc Plated Blind Threaded Insert Nutsert Cap Flat Head Rivet Nuts

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