S-91251A269 6-32 x 5/32" 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 in high-stress industrial applications, reducing the risk of fastener failure.
- Corrosion-resistant black-oxide finish on alloy steel enhances durability and longevity in harsh environments, minimizing maintenance needs.
- Precise Class 3A thread fit provides superior engagement and vibration resistance, ensuring secure fastening in critical assemblies.
- High hardness rating (Rockwell C37) offers excellent wear resistance, extending the screw's service life under repetitive loads.
- Standard hex socket drive allows for easy installation with common tools, improving assembly efficiency and reducing labor time.
- Full compliance with ASTM A574, RoHS 3, and REACH guarantees material consistency and environmental safety, meeting global industry standards.
- Coarse UNC threading enables quick assembly and disassembly, ideal for applications requiring frequent adjustments.
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these Black-Oxide Alloy Steel Socket Head Cap Screws with 6-32 UNC threads address common challenges like vibration loosening and corrosion. The Class 3A thread fit ensures tight tolerances, reducing play in precision machinery, automotive, and aerospace assemblies. The coarse thread design facilitates faster installation in materials where fine threads might strip, while the black-oxide surface treatment provides a protective layer against moisture and chemicals. This combination of high tensile strength and Rockwell C37 hardness makes them ideal for heavy-duty applications, ensuring long-term reliability and reducing downtime in production lines.
Specification Summary & Compliance
This screw features a 6-32 UNC thread with Class 3A fit for precise dimensional accuracy, and is manufactured to ASTM A574 specifications for consistent quality. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met. The inch system measurements, including length of 5/32" and drive size of 7/64", adhere to industrial norms for compatibility and ease of use.
