S-91271A624 3/8"-16 x 1" IFI 115 12-Point Screws
12-Point Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional durability with alloy steel construction and Rockwell C37 hardness, resisting wear in demanding industrial environments
- Superior load-bearing capacity from 170,000 psi tensile strength, preventing fastener failure under high-stress applications
- Precise, secure fastening with Class 3A thread fit and UNC coarse spacing, reducing cross-threading risks and ensuring reliable connections
- Efficient installation and removal using the external 12-point drive and flange design, providing enhanced torque transmission and eliminating the need for separate washers
- Full-threaded design for maximum grip length and uniform stress distribution across the entire engaged area
- Regulatory compliance assurance meeting IFI 115, RoHS 3, and REACH standards, ensuring safety and environmental responsibility
- Right-hand thread direction for standard, intuitive assembly processes compatible with common industrial equipment
Professional Applications & Engineering Value
This 12-point flanged screw delivers critical performance in heavy machinery, automotive, and construction assemblies where vibration resistance and structural integrity are paramount. The alloy steel composition, combined with Rockwell C37 hardness, provides exceptional resistance to shear forces and environmental degradation. The external 12-point drive allows for high-torque application with standard tools, while the integrated flange distributes clamping force over a wider area, reducing surface pressure and preventing loosening. With its fully threaded UNC coarse spacing and Class 3A thread fit, it ensures rapid installation and reliable performance in high-vibration environments, making it ideal for critical bolting applications requiring both strength and precision.
Specification Summary & Compliance
This fastener features a 3/8"-16 UNC thread with Class 3A precision fit and coarse spacing, ensuring dimensional accuracy per industrial standards. It is manufactured in compliance with IFI 115 specifications and adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial applications requiring strict material and safety standards.
