S-90044A254 5-44 x 1/2" 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
- Superior tensile strength of 170,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Precise Class 3A thread fit provides excellent engagement and vibration resistance, minimizing loosening in dynamic environments.
- Black-oxide finish on alloy steel offers enhanced corrosion resistance, extending service life in demanding industrial conditions.
- Fine UNF thread spacing allows for finer adjustments and better load distribution compared to coarse threads.
- Fully threaded design ensures consistent clamping force along the entire length, ideal for varied material thicknesses.
- Compact 3/32" hex drive enables easy installation in confined spaces with standard tools, improving assembly efficiency.
- High hardness (Rockwell C37) resists wear and deformation, maintaining dimensional stability under repeated use.
Professional Applications & Engineering Value
This 5-44 UNF Socket Head Cap Screw is engineered from black-oxide alloy steel to address critical challenges in precision assemblies, such as machinery, automotive components, and aerospace systems. The fine thread spacing and Class 3A thread fit deliver superior vibration resistance and sealing capabilities, preventing loosening in high-vibration environments. With a fully threaded rod and high tensile strength, it ensures uniform stress distribution and reliable fastening in thin or layered materials. The black-oxide surface treatment enhances durability against moisture and chemicals, making it suitable for harsh operational conditions while complying with industry standards for safety and performance.
Specification Summary & Compliance
This socket head cap screw features a 5-44 UNF thread with Class 3A precision fit and fine thread spacing, ensuring tight tolerances per inch-system requirements. It meets ASTM A574 specifications for high-strength alloy steel fasteners and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material integrity.
