S-97763A327 6-32 x 5/8" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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 with black-oxide coating, ideal for harsh industrial environments.
- Superior fastening reliability with Class 3A thread fit and UNC coarse spacing, ensuring secure, vibration-resistant connections.
- High mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
- Efficient installation and removal via 5/64" hex drive, providing excellent torque transmission and reduced tool slippage.
- Full thread engagement along the 5/8" length for maximum grip and load distribution in assembled components.
- Rounded button head design delivers a low-profile, finished appearance while minimizing snagging risks.
- Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH for guaranteed quality and safety.
Professional Applications & Engineering Value
This black-oxide 18-8 stainless steel rounded head screw is engineered to address critical challenges in industrial settings, such as corrosion in humid or chemical-exposed environments. The combination of UNC coarse threads and Class 3A fit ensures rapid assembly with high resistance to loosening under vibration, making it ideal for machinery, electrical enclosures, and automotive components. The hex drive allows for precise torque application, reducing installation time and preventing damage to the fastener. With a fully threaded design, it provides consistent clamping force across the entire length, enhancing joint integrity in heavy-duty fastening applications where reliability is paramount.
Specification Summary & Compliance
The screw adheres to ASME B18.3 specifications, with precise UNC thread form and Class 3A fit for tight tolerances. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety. Dimensions include a 6-32 thread size, 5/8" length, and 0.262" head diameter, manufactured from 18-8 stainless steel for consistent performance.
