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
20pcs M3 x 6mm Threaded Repair Insert Stainless Steel Thread Insert Nuts for Helical Repair: 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 :
Amazon.com: 40 Pcs M6 Threaded Inserts, M6 x 25mm Threaded Nut Inserts for Wood, Nut Inserts, Carbon Steel Furniture Screws with Spanner, Bolt Fastener Connector Hex Socket Drive for Wood Furniture :
Threaded Inserts for Square Tubing - Metal Threaded Star Type Insert 3/4" (O.D.) Square Tubing Insert 1/4-20 Threads - Square Threaded Tube Inserts (4): Amazon.com: Industrial & Scientific