Self Tapping Threaded Insert,10pcs M8 x M5 Self Tapping Threaded Insert 302 Slotted Type Screw Bushing for Thread Repair: Amazon.com: Industrial & Scientific
Amazon.com: 4 PCS 34inch Shelving Connectors, Threaded Pole Connectors, Shelving Post Coupler for Extending Wire Rack Shelving, None, Compatible with 34inch Poles : Home & Kitchen