S-91251A051 0-80 x 1/16" 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 applications, reducing the risk of fastener failure.
- Class 3A thread fit provides superior precision and tight tolerances for secure, vibration-resistant connections in critical assemblies.
- Black-oxide coating on alloy steel offers enhanced corrosion resistance, extending service life in demanding environments.
- Fine UNF threading allows for finer adjustment and improved load distribution, ideal for precision engineering applications.
- Hex socket drive design enables easy installation in confined spaces with standard tools, minimizing assembly time and effort.
- Rockwell C37 hardness ensures excellent wear resistance and durability, maintaining integrity under repeated use.
- Full compliance with ASTM A574, RoHS 3, and REACH guarantees adherence to industry standards and environmental regulations for safe, global use.
Professional Applications & Engineering Value
This 0-80 UNF thread socket head cap screw is engineered from black-oxide alloy steel to address common industrial challenges such as space constraints and corrosion in harsh conditions. The fine thread design and Class 3A fit provide superior clamping force and vibration resistance, making it ideal for precision equipment, aerospace components, and electronic enclosures where reliability is critical. Its hex drive facilitates quick installation in tight areas, reducing downtime. With high tensile strength and hardness, it withstands heavy loads and repetitive stress, ensuring long-term performance in industrial fastening applications without compromising safety or efficiency.
Specification Summary & Compliance
This screw features precise Class 3A thread fit per UNF standards, with a length of 1/16" and full threading for consistent engagement. It meets ASTM A574 specifications for alloy steel socket head cap screws, ensuring dimensional accuracy and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it is free of hazardous substances, supporting sustainable and safe industrial use.
