S-91251A610 1 1/2"-12 x 6" 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 corrosion resistance with black-oxide coating, extending service life in harsh industrial environments.
- Exceptional tensile strength of 170,000 psi ensures reliable performance under high-stress conditions, reducing failure risks.
- Fine UNRF threads with Class 2A fit provide precise engagement and vibration resistance for secure fastening.
- Rockwell C37 hardness offers excellent wear resistance, maintaining integrity through repeated use.
- 1" hex drive and standard socket head allow for easy installation with common tools, saving time on assembly lines.
- Partially threaded design enables optimal clamping force distribution, ideal for varied application needs.
- Compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety for global supply chains.
Professional Applications & Engineering Value
This black-oxide alloy steel socket head cap screw is engineered to address critical challenges in heavy-duty industrial settings, such as machinery assembly, automotive systems, and construction equipment. The fine UNRF thread and Class 2A fit minimize loosening under dynamic loads, while the high tensile strength and Rockwell C37 hardness prevent stripping and deformation. The black-oxide surface treatment enhances durability against moisture and chemicals, reducing maintenance downtime. Ideal for applications requiring precise torque and long-term reliability, this socket head cap screw ensures consistent performance in demanding environments, supported by its robust 1" hex drive for efficient installation.
Specification Summary & Compliance
This product adheres to Class 2A thread fit for precise dimensional accuracy and features a 1 1/2"-12 UNRF fine thread with a minimum thread length of 3 3/4". Manufactured in compliance with ASTM A574 specifications, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring environmental and safety regulations are upheld for industrial use.
