Fastener Screws with Fine Thread And Seal DIN 908 Steel Galvanised Copper Blanking Plugs in Galvanised Pack of Inktem Steel 1-5 : Amazon.de: DIY & Tools
Socket Head Cap Screw, M18-2.5mm Thread, 100mm Long, Partially Threaded, Alloy Steel, Unbrako 12.9, Black Oxide (Pack of 25): Amazon.com: Industrial & Scientific