S-91205A197 8-32 x 3/4" ASME B18.3, ASTM A574 Alloy Steel Thread-Locking Socket Head Screws
Alloy Steel Thread-Locking Socket 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
- Vibration-resistant secure fastening with nylon patch thread locker that maintains integrity across a wide temperature range from -70° to 250°F
- Exceptional mechanical strength with 170,000 psi tensile strength and Rockwell C37 hardness for heavy-duty industrial applications
- Precise thread engagement through Class 3A thread fit ensuring reliable performance in critical assemblies
- Superior corrosion protection from black-oxide coating on alloy steel for extended service life in demanding environments
- Optimized installation efficiency with standard hex drive design allowing high torque application without stripping
- Industry-standard compatibility with UNC coarse threads providing excellent engagement in various materials
- Regulatory compliance assurance meeting ASME B18.3 specifications and environmental standards for global applications
Professional Applications & Engineering Value
These black-oxide alloy steel socket head cap screws deliver critical performance advantages for industrial applications where vibration resistance and mechanical reliability are paramount. The nylon patch thread locking technology effectively prevents loosening under dynamic loads, making these 8-32 UNC threaded fasteners ideal for machinery, automotive assemblies, and precision equipment. The combination of Class 3A thread fit and coarse threading ensures rapid installation with superior holding power in various substrates. Engineered with fully threaded design and hex drive compatibility, these screws provide consistent clamping force distribution and facilitate maintenance accessibility in confined spaces, addressing common challenges in manufacturing and equipment maintenance.
Specification Summary & Compliance
This socket head cap screw features precision 8-32 UNC coarse threads with Class 3A thread fit for optimal engagement tolerance. Manufactured in compliance with ASME B18.3 specifications and ASTM A574 material standards, ensuring dimensional accuracy and mechanical performance. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, confirming environmental responsibility and chemical safety for global industrial applications.
