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E-Z LOK - 653-6 E-Z Lok Externally Threaded Insert, 303 Stainless Steel/Metric, M6-1.0 Internal Threads, 3/8"-16 External Threads, 10.31mm Length, Made in US (Pack of 5): Amazon.com: Industrial & Scientific
Amazon.com: IIVVERR M6 Metal Straight Knurled Flat Head Rivet Nuts Insert nutser-t Bronze Tone 30pcs (Tuercas de remache de cabeza plana plana moleteada de metal M6 inserta nutser-t tono bronce 30pcs :