S-91251A354 10-32 x 2 1/4" 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 – Withstands up to 170,000 psi, ensuring reliable performance in high-stress applications.
- Superior Corrosion Resistance – Black-oxide coating on alloy steel provides enhanced durability against rust and wear.
- Precise Thread Engagement – Class 3A thread fit and 10-32 UNRF fine thread offer tight, secure fastening with minimal vibration loosening.
- Optimized Drive Efficiency – 5/32" hex socket drive allows for easy installation and removal in confined spaces.
- Versatile Partially Threaded Design – 7/8" minimum thread length provides flexibility for varied clamping and alignment needs.
- High Hardness for Longevity – Rockwell C37 hardness ensures the screw maintains integrity under repeated loads.
- Compliance with Industry Standards – Meets ASTM A574, RoHS 3, and REACH, ensuring safety and environmental responsibility.
Professional Applications & Engineering Value
These Black-Oxide Alloy Steel Socket Head Cap Screws are engineered to address critical challenges in industrial settings, such as vibration resistance and space constraints. The 10-32 UNRF fine thread and Class 3A fit deliver precise, reliable fastening in machinery, automotive assemblies, and precision equipment, reducing the risk of loosening under dynamic loads. The partially threaded design allows for effective clamping where full threading isn't required, while the black-oxide surface treatment enhances corrosion protection in harsh environments. Ideal for applications demanding high tensile strength and compliance with rigorous standards, these screws ensure long-term performance and reduce maintenance needs.
Specification Summary & Compliance
This product adheres to Class 3A thread fit and UNRF fine thread standards for superior dimensional accuracy. It meets ASTM A574 specifications for high-strength socket head cap screws, ensuring consistent quality and performance. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental suitability for global industrial use.
