S-92220A157 8-32 x 1 1/4" ASTM A574 Alloy Steel Low-Profile Socket Head Screws
Alloy Steel Low-Profile 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
- Enhanced corrosion resistance with black-oxide coating for reliable performance in demanding environments.
- Superior strength and durability from alloy steel construction, offering 140,000 psi tensile strength and Rockwell C39 hardness for heavy-duty applications.
- Precise, secure fastening with Class 3A thread fit and UNC coarse threads, ensuring minimal loosening under vibration.
- Space-saving low-profile head allows installation in tight spaces while providing ample torque with a 5/64" hex drive.
- Optimized load distribution through partial threading, reducing stress concentration and improving joint integrity.
- Compliance with industry standards including ASTM A574, RoHS 3, and REACH, guaranteeing safety and regulatory adherence.
- Versatile right-hand threading for easy installation and compatibility with standard UNC components.
Professional Applications & Engineering Value
This 8-32 UNC low profile socket head cap screw is engineered to address critical challenges in industrial assembly, such as space constraints and vibration-induced failures. The black-oxide alloy steel provides excellent corrosion resistance, extending service life in harsh conditions like automotive or machinery enclosures. Its coarse thread design ensures quick installation and robust holding power, while the low-profile socket head minimizes protrusion in compact designs. With a 1-1/4" length and partial threading, it delivers reliable clamping force without unnecessary weight, making it ideal for precision equipment, electronics, and structural frameworks where durability and compliance are paramount.
Specification Summary & Compliance
This fastener adheres to Class 3A thread fit for high precision and meets ASTM A574 specifications for socket head cap screws. It is manufactured under the inch system with UNC coarse threads and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.
