1-10pcs Hex Flange Bolt 304 Stainless Steel M4 M5 M6 M8 M10 M12 Serrated Flange Washer Head Hexagon Bolt DIN6921 GB5787Home Improvement > Hardware15,33 USD (≈ 13,67 €)63,89 USDDisponibileSold by AliExpress WWVai al negozio