S-91251A726 1/2"-13 x 3 1/2" ASTM A574 Alloy Steel Socket Head Screws
Alloy Steel Socket Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
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.
- Superior thread precision with Class 3A fit provides excellent engagement and vibration resistance, minimizing loosening in dynamic environments.
- Durable Black-Oxide finish on alloy steel offers enhanced corrosion resistance, extending service life in demanding industrial conditions.
- High hardness rating of Rockwell C37 maintains structural integrity under heavy loads, preventing deformation and wear over time.
- Partially threaded design allows for precise clamping force control, ideal for applications requiring specific grip lengths.
- Coarse UNC threads enable quick and easy installation, saving time and labor in assembly operations.
- Compliance with ASTM A574 and environmental regulations ensures consistent quality and safe use across various sectors.
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these Socket Head Cap Screws provide a robust fastening solution where reliability is critical. The Black-Oxide Alloy Steel construction, combined with a 170,000 psi tensile strength and Rockwell C37 hardness, addresses common challenges such as joint failure under extreme loads and corrosion in harsh conditions. The 1/2"-13 UNC coarse thread and Class 3A thread fit ensure secure fastening in machinery, automotive assemblies, and heavy equipment, reducing maintenance needs and downtime. Their partially threaded configuration offers flexibility in applications requiring unthreaded shank sections for improved shear resistance, making them a versatile choice for engineers and procurement specialists seeking durable, high-performance industrial fasteners.
Specification Summary & Compliance
This product features precise Class 3A thread fit and adheres to UNC coarse thread standards, manufactured in compliance with ASTM A574 specifications. It is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental safety and regulatory adherence for global industrial use.
