S-91271A650 3/8"-24 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.
• Precision Class 3A thread fit provides superior engagement and vibration resistance, minimizing loosening in dynamic environments.
• Integrated flange design eliminates the need for separate washers, speeding up assembly and providing a larger bearing surface.
• External 12-point drive allows for high-torque installation with standard tools, enhancing installation efficiency and reducing slip.
• Alloy steel construction with Rockwell C37 hardness offers excellent durability and wear resistance for long service life.
• Partial threading enables precise clamping control, ideal for applications requiring specific unthreaded shank lengths.
• Compliance with IFI 115, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations for safe, global use.

Professional Applications & Engineering Value

This 12-point flanged screw is engineered to address critical challenges in heavy-duty industrial assemblies, such as machinery, automotive systems, and structural frameworks. The alloy steel material, combined with a Rockwell C37 hardness rating, provides exceptional resistance to shear and tensile forces, preventing deformation under load. The 3/8"-24 UNF fine thread with a Class 3A fit ensures tight, secure fastening in high-vibration environments, reducing maintenance needs. The external 12-point drive facilitates quick, high-torque installation with common wrenches, improving workflow efficiency. Additionally, the flanged design distributes clamping force evenly, protecting sensitive components from damage. Ideal for industrial screws applications requiring reliability and compliance, this fastener meets rigorous IFI 115 specifications for consistent quality.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerances and a 3/8"-24 UNF fine thread in the inch system. It is manufactured in compliance with IFI 115 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for industrial use.