S-91271A723 1/2"-13 x 2 1/2" IFI 115 12-Point Screws

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.
• Class 3A thread fit provides superior precision and tighter tolerances for secure, vibration-resistant assemblies in demanding environments.
• Integrated flange design eliminates the need for a separate washer, simplifying installation and distributing load more effectively.
• High-strength alloy steel construction with Rockwell C37 hardness offers excellent durability and resistance to wear and corrosion.
• External 12-point drive allows for high-torque application with standard tools, enabling efficient installation and removal.
• Partial threading provides optimal grip and clamping force, ideal for applications requiring precise joint security.
• Full compliance with IFI 115, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations for safe, reliable use.

Professional Applications & Engineering Value

This 12-point flange screw is engineered to address critical challenges in heavy-duty industrial and mechanical assemblies. Constructed from high-strength alloy steel and featuring a Rockwell C37 hardness rating, it delivers exceptional resistance to shear and tensile stresses, making it ideal for applications in construction machinery, automotive systems, and structural frameworks. The UNC coarse threading and Class 3A thread fit ensure rapid, secure fastening with minimal risk of cross-threading, while the flanged design enhances stability and load distribution, reducing surface damage. Its partial threading provides controlled clamping force, preventing over-tightening and maintaining joint integrity in high-vibration environments. This screw is a reliable solution for engineers seeking durability, precision, and compliance in demanding industrial fastening scenarios.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerances and superior thread engagement. It conforms to UNC coarse thread specifications with a 1/2"-13 thread size and is manufactured in accordance with IFI 115 standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.