S-91271A647 3/8"-24 x 1 3/4" IFI 115 12-Point Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Precision Class 3A thread fit guarantees tight, secure connections with minimal backlash, improving assembly accuracy and vibration resistance.
• Integrated flange design eliminates the need for separate washers, speeding up installation and providing uniform clamping force.
• Alloy steel construction with Rockwell C37 hardness offers superior durability and wear resistance, extending service life in demanding environments.
• External 12-point drive allows for high-torque application with standard tools, enhancing installation efficiency and reducing slippage.
• Compliance with IFI 115, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations, supporting global supply chain requirements.
• Partially threaded UNF fine thread provides optimal grip and load distribution, ideal for applications requiring precise thread engagement.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 12-point flanged screws address critical challenges in machinery, automotive, and heavy equipment assembly. The alloy steel material and Rockwell C37 hardness deliver exceptional resistance to shear and fatigue, preventing loosening under dynamic loads. The Class 3A UNF fine thread ensures a precise, leak-proof fit in components requiring fine adjustment, while the flanged design distributes pressure evenly, reducing surface damage and maintenance needs. Ideal for high-vibration environments, these screws enhance structural integrity and operational reliability, making them a top choice for B2B procurement in sectors where failure is not an option.

Specification Summary & Compliance

This screw features a 3/8"-24 UNF fine thread with Class 3A precision fit, ensuring tight tolerances per industry standards. Dimensions include a length of 1 3/4", head width and height of 3/8", and flange diameter of 9/16". It is manufactured to meet IFI 115 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable usage in global markets.