S-93190A216 5/8"-18 x 1 1/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
Super-Corrosion-Resistant 316 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 in harsh environments thanks to 316 stainless steel construction
- Superior tensile strength of 70,000 psi ensures reliable, long-lasting fastening under high-stress conditions
- Fine UNF thread design provides enhanced grip and vibration resistance for secure assemblies
- Class 2A thread fit guarantees consistent, easy installation and interchangeability
- Full threading along the 1-1/4" length offers maximum engagement and holding power
- External hex drive and hex head allow for high-torque application with standard tools
- Compliance with major industry standards including ASME B18.2.1, RoHS 3, and REACH for assured quality and safety
Professional Applications & Engineering Value
This 5/8"-18 UNF fine thread hex head screw is engineered to solve critical challenges in demanding industrial settings. The 316 stainless steel material provides outstanding resistance to corrosion from chemicals, saltwater, and extreme temperatures, making it ideal for marine, chemical processing, and food industry applications. The fine thread and Class 2A fit ensure precise alignment and reduce the risk of loosening under vibration, a common issue in machinery and equipment. With a tensile strength of 70,000 psi and Rockwell B70 hardness, it delivers the durability needed for structural fastening, heavy-duty assemblies, and high-pressure systems, providing engineers with a reliable component that minimizes maintenance and downtime.
Specification Summary & Compliance
This hex head screw features a 5/8"-18 UNF fine thread with a Class 2A thread fit for consistent dimensional accuracy and ease of assembly. It is manufactured in accordance with ASME B18.2.1 standards, ensuring reliable performance and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial and international markets without hazardous substances.
