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
50pcs Stainless Steel Thread Repair Insert M6 x 1.0 x 3D Length,Helicoil Screw Thread Repair Insert Wire Thread Insert: Amazon.com: Industrial & Scientific
60 Stück Gewindeeinsätze aus Edelstahl, Dauerhaft Gewinde Repair, Gewindeeinsatz set M3/M4/M5/M6/M8/M10/M12 : Amazon.de: Baumarkt