S-92240A483 5/8"-18 x 2" 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
- Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
- High tensile strength of 80,000 PSI ensures reliable performance under heavy loads and vibration
- Precision Class 2A thread fit provides smooth assembly and secure fastening in critical applications
- Fine UNF thread design offers superior resistance to loosening compared to coarse threads
- External hex drive compatibility allows for standard tooling and straightforward installation
- Full threading along the 2" length enables maximum adjustability and grip in various material thicknesses
- Rockwell B70 hardness rating maintains thread integrity and prevents stripping during repeated use
Professional Applications & Engineering Value
This 5/8"-18 UNF hex head screw delivers critical engineering advantages where corrosion resistance and mechanical reliability are paramount. The 18-8 stainless steel composition combined with fine UNF threading provides excellent performance in machinery, structural assemblies, and marine applications where vibration resistance and environmental durability are essential. The external hex drive design ensures compatibility with standard industrial tools, reducing installation time while the Class 2A thread fit guarantees precise engagement in tapped holes. These features make it particularly valuable for OEM manufacturing, maintenance operations, and infrastructure projects requiring high-strength fasteners that withstand demanding service conditions without compromising performance.
Specification Summary & Compliance
This hex head screw features precision Class 2A thread fit with 5/8"-18 UNF fine threading and right-hand thread direction. Manufacturing complies with ASME B18.2.1 specifications, ensuring dimensional accuracy and interchangeability. The product is RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations for industrial components. With a 2" length and fully threaded design, it maintains consistent mechanical properties throughout its service life.
