DIN653 GB835 M3 M4 M5 M6 M8 M10 Knurl Flat Head Hand Tighten Thumb Screw Bolt Curtain Wall Glass Thumbscrew Adjust ToollessHome Improvement > Hardware1,02 USD (≈ 0,91 €)1,12 USDDisponibileSold by AliExpress WWVai al negozio