M4 M5 M6 M8 M10 M12 M14 M16 External Slotted Hex Head Bolts 304 Stainless Steel Slotted Outer Hexagon Fastener ScrewsHome Improvement > Hardware13,77 USD (≈ 11,29 CHF)14,19 USDDisponibileSold by AliExpress WWVai al negozio