S-92314A416 5/8"-18 x 3/4" 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 and outdoor applications.
- Superior mechanical strength with a 70,000 PSI tensile strength and Rockwell B70 hardness for reliable performance under high-stress conditions.
- Precise and secure fastening ensured by the Class 2A thread fit, providing consistent engagement and vibration resistance.
- Optimized for high-torque applications with a standard external hex drive and 15/16" head width for easy installation with common tools.
- Enhanced load distribution from the fine UNF thread (18 TPI), offering superior holding power compared to coarse threads.
- Full threading along the 3/4" length allows for maximum adjustability and grip across the entire fastener.
- Compliance with major industry standards including ASME B18.2.1, RoHS 3, and REACH, ensuring material safety and interoperability.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this 5/8"-18 UNF hex head screw provides a robust fastening solution where corrosion resistance and high tensile strength are critical. The 18-8 stainless steel material effectively resists oxidation and chemical exposure, making it suitable for machinery, marine equipment, and food processing systems. The fine thread spacing and Class 2A thread fit deliver superior clamping force and vibration resistance, preventing loosening in dynamic loads. With a fully threaded design and external hex drive, it ensures quick installation and reliable performance in structural assemblies, automotive components, and heavy-duty manufacturing fixtures, reducing maintenance needs and downtime.
Specification Summary & Compliance
This hex head screw features a 5/8"-18 UNF thread with Class 2A fit for precise dimensional accuracy. It is manufactured in compliance with ASME B18.2.1 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming it is free from restricted hazardous substances. The product is fully threaded with a right-hand thread direction and is supplied in inch measurements.
