S-91251A763 9/16"-12 x 2 3/4" 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 (170,000 psi) ensures reliable performance under extreme mechanical loads, reducing failure risks in demanding applications.
- Class 3A thread fit provides superior precision and tighter tolerances for secure, vibration-resistant fastening in critical assemblies.
- Black-oxide finish on alloy steel offers enhanced corrosion resistance, prolonging service life in harsh industrial environments.
- Coarse UNC threading (9/16"-12) allows for quicker installation and easier alignment, saving time during assembly and maintenance.
- 7/16" hex drive socket head enables high-torque application with standard tools, minimizing stripping and improving installation efficiency.
- Full threading along the 2-3/4" length ensures consistent grip and adjustability across the entire fastener for versatile mounting needs.
- Rockwell C37 hardness delivers excellent wear resistance, maintaining thread integrity through repeated use and high-stress conditions.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial use, these socket head cap screws in black-oxide alloy steel address common challenges like vibration loosening and corrosion in machinery, automotive, and construction sectors. The coarse UNC thread and Class 3A fit provide a secure, precise connection that withstands dynamic loads, while the hex drive design allows for easy access in confined spaces. Ideal for applications requiring high tensile strength and durability, these fasteners ensure long-term reliability in equipment subject to intense operational stress, reducing maintenance frequency and downtime.
Specification Summary & Compliance
This socket head cap screw features a 9/16"-12 UNC coarse thread with Class 3A fit for precise dimensional accuracy, manufactured in accordance with ASTM A574 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and adherence to international standards for industrial fasteners.
