M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 DIN7991 304 Stainless Steel Hex Hexagon Socket Countersunk Screw Flat Head Screw Allen BoltsHome Improvement > Hardware1,90 $ (≈ 1,70 €)2,64 $Auf LagerSold by AliExpress WWZum Shop