3160Pcs Metric Flange Bolt & Screw Set Grade 12.9/10.9 Alloy Hex Button & Nuts M2-M10 (4-30mm) Storage Box Home/Car/3D/DIY

① Full Size CoverageM2–M10, lengths 4–30mm – from precision electronics to automotive chassis, all in one box.② Grade 12.9/10.9 Alloy SteelHigh-strength alloy material, excellent tensile and shear performance for load-bearing repairs.③ Flange Anti-Vibration DesignBuilt‑in flange face increases contact area, resists loosening under vibration – no extra washers needed.④ 3160‑Piece Bulk AssortmentGenerous quantity with commonly used sizes fully stocked – one set replaces multiple kits.⑤ Multi‑Scenario All‑RounderHome repair, car maintenance, 3D printing, DIY assembly – tackle every project with ease.