S-91864A084 6-32 x 1/8" ASTM A574 Alloy Steel Socket Head Screws
Alloy Steel 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
- Exceptional tensile strength of 170,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
- Superior corrosion resistance provided by the black-oxide finish extends service life in harsh industrial environments.
- Precision Class 3A thread fit guarantees secure, vibration-resistant connections with minimal backlash.
- High hardness rating (Rockwell C37) enhances wear resistance and maintains thread integrity through repeated installations.
- Hex socket drive design allows for high-torque installation in confined spaces without stripping.
- Coarse UNC threading enables quick assembly and disassembly, improving maintenance efficiency.
- Full compliance with ASTM A574 ensures consistent quality and mechanical properties for critical applications.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these socket head cap screws combine black-oxide alloy steel construction with Class 3A UNC threads to address common challenges like vibration loosening and corrosion. The coarse thread spacing provides excellent grip in soft materials or frequently serviced assemblies, while the hex drive accommodates high torque applications without cam-out. Ideal for machinery, automotive, and precision equipment, these screws deliver reliable clamping force and corrosion resistance where failure is not an option. Their fully threaded design ensures uniform stress distribution, making them suitable for structural fastening in aerospace, manufacturing, and heavy-duty enclosures.
Specification Summary & Compliance
This 6-32 UNC thread socket head cap screw maintains precise Class 3A thread fit tolerances per ASME B1.1 standards, with a coarse thread profile for robust engagement. Manufactured in compliance with ASTM A574 specifications for alloy steel socket cap screws, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial supply chains.
