Sleeve nuts with raised head and slotted head M4 x 12 (1 piece) made of stainless steel A1 (VA) rust-proof nuts countersunk sleeve nut sleeve sleeve | AG-BOX® : Amazon.de: DIY &
M12 x 20 mm (5 Stück) Hülsenmuttern mit Senkkopf u. Innensechskan - Edelstahl VA A1 V1A - Senkkopf-mutter rostfrei | AGBERG : Amazon.de: Baumarkt