MarySino M8 x 30 mm Black Oxide Zinc Flanged Bolt (10-Pack), Class 10.9 Alloy Steel Bolt Set

These Class 10.9 flanged hex head bolts are made of premium alloy steel with a black zinc plated finish, providing superior strength, wear resistance, and corrosion protection. Designed for reliable fastening in high-stress environments, each bolt features an external flange for better load distribution and a serrated underside that prevents loosening under vibration.The hex drive design allows easy tightening with standard tools, ensuring a firm and secure connection in mechanical assemblies, automotive repairs, and construction applications. Available in multiple metric sizes - M6 x 25mm, M8 x 16mm, M8 x 20mm, M8 x 25mm, and M8 x 30mm - these bolts meet industrial standards for durability and precision fit. Each 10-piece set is packed in a sturdy reusable container for convenient storage and quick access, ideal for professionals and DIY users requiring dependable fastening performance in both indoor and outdoor environments.

• Class 10.9 alloy steel ensures high-stress durability.
• Serrated flange design prevents loosening from vibrations.
• Sturdy reusable case simplifies storage and organization.