S-92198A818 5/8"-11 x 6" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
- High tensile strength of 80,000 psi ensures dependable performance under heavy loads and extreme conditions.
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
- Coarse UNC thread and Class 2A fit enable quick assembly and secure fastening in a wide range of materials.
- Partially threaded 6" length design offers optimal grip and clamping force for thick-section applications.
- External hex head allows for easy installation and removal with standard tools, reducing labor time.
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards for industrial use.
Professional Applications & Engineering Value
This 5/8"-11 UNC Hex Head Screw is engineered from 18-8 Stainless Steel to combat corrosion in demanding settings like marine, chemical processing, and outdoor infrastructure. Its coarse thread and Class 2A thread fit minimize cross-threading risks and ensure reliable engagement in soft or coarse materials, reducing assembly errors. The partially threaded shank concentrates clamping force where needed, preventing joint loosening under vibration. With an 80,000 psi tensile strength and Rockwell B70 hardness, it withstands high-stress applications in construction, machinery, and transportation, offering long-term value by minimizing maintenance and replacement costs.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit for consistent dimensional accuracy and ease of assembly under the UNC thread standard. It meets ASME B18.2.1 manufacturing specifications for hex head bolts, ensuring interoperability and reliability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming the absence of hazardous substances and supporting sustainable industrial practices.
