S-90044A274 1 1/8"-12 x 3" 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 for reliable performance in high-stress and heavy-duty applications.
- Superior corrosion resistance provided by the black-oxide finish, extending service life in harsh industrial environments.
- Precise Class 2A thread fit ensures smooth assembly and secure fastening, reducing the risk of cross-threading.
- High hardness (Rockwell C37) offers excellent wear resistance and durability under repetitive loads.
- 7/8" hex drive allows for high torque application with standard tools, facilitating efficient installation and removal.
- Fully threaded design provides consistent clamping force along the entire 3" length for versatile mounting needs.
- Compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety for global industrial use.
Professional Applications & Engineering Value
This 1 1/8"-12 UNF socket head cap screw is engineered to address critical challenges in demanding sectors such as heavy machinery, automotive assembly, and construction equipment. The black-oxide alloy steel construction combats rust and oxidation, ensuring longevity in corrosive settings. Its fine UNF threads and Class 2A fit deliver superior vibration resistance and clamping force, preventing loosening in dynamic applications. The socket head design with a 7/8" hex drive enables installation in confined spaces where wrench clearance is limited, streamlining maintenance and reducing downtime. By meeting ASTM A574 specifications, it provides consistent mechanical properties essential for structural integrity and safety in high-load scenarios.
Specification Summary & Compliance
This socket head cap screw features a 1 1/8"-12 UNF fine thread with Class 2A dimensional accuracy, ensuring precise thread engagement. It is manufactured in accordance with ASTM A574 standards, confirming high strength and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable industrial operations.
