S-92210A454 5/8"-11 x 5 1/2" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel and passivated finish, ideal for harsh environments and extended service life.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and mechanical stress.
• Precise Class 3A thread fit provides secure, vibration-resistant fastening in demanding applications.
• Full threading and coarse UNC thread enables faster installation and superior grip in various materials.
• 82° countersink angle and flat head design allows for a flush, low-profile finish, enhancing safety and aesthetics.
• Hex drive (3/8") offers high torque capability and easy installation with common tools, reducing assembly time.
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards for industrial use.

Professional Applications & Engineering Value

This 5/8"-11 UNC Flat Head Screw is engineered for heavy-duty industrial applications where reliability and durability are critical. Constructed from 18-8 Stainless Steel with a passivated finish, it effectively resists corrosion, reducing maintenance and replacement costs in environments exposed to moisture or chemicals. The Class 3A thread fit and coarse thread spacing ensure a tight, secure connection that minimizes loosening under vibration, making it ideal for machinery, structural assemblies, and equipment manufacturing. Its fully threaded design and hex drive facilitate quick, efficient installation, while the flat head with 82° countersink provides a smooth, flush surface, preventing snagging and improving operational safety. This screw delivers consistent performance in construction, automotive, and marine sectors, offering long-term value and compliance with industry standards.

Specification Summary & Compliance

This screw features a 5/8"-11 UNC coarse thread with Class 3A thread fit for precise dimensional accuracy, ensuring reliable fastening. It is manufactured in accordance with ASME B18.3 specifications, guaranteeing consistent quality and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial use.