175 Pcs M3 M4 M5 M6 M8 M10 M12 Dome Head Nut Cover Cap Screw Cap Carbon Steel Hex Cap Nuts for Motorcycles Bicycles Black

Reliable Materials - Made of carbon steel, this round head nut set provides high strength and toughness, excellent load bearing capacity and excellent impact resistance. It also resists deformation and tearing of the thread after tightening, thus ensuring a stable connection. Reinforced protection: The ball cap of the cap nuts tightly wraps the end of the bolt, isolating moisture, dust and corrosive substances, thus protecting the thread from damage and extending the life of the bolt and equipment. Aesthetics: The smooth, rounded cap of the blind nuts conceals the exposed part of the bolt, creating a cleaner and more aesthetic assembly, improving the overall quality of machinery, furniture and other products. EASY INSTALLATION The precision machined internal thread of the cap nuts easily engages in the bolt, allowing for quick manual installation and without complex procedures, improving assembly efficiency. Wide applications: suitable for mechanical engineering, automotive, motorcycle, wood and steel structures, furnishings, etc. An ideal choice for professionals, hobbyists, homeowners, maintenance staff and other DIYers.