S-91271A673 7/16"-14 x 1 1/2" IFI 115 12-Point Screws

Key Features & Benefits at a Glance

• Superior strength and durability with alloy steel construction providing 170,000 psi tensile strength for heavy-duty applications
• Precise thread engagement with Class 3A thread fit ensuring reliable fastening in critical assemblies
• Enhanced torque transmission through the external 12-point drive design for secure installation
• Integrated flange design eliminates the need for separate washers while distributing load evenly
• Full threading capability allows complete engagement along the entire 1½" length for maximum holding power
• Industry-standard compliance with IFI 115 specifications for guaranteed performance and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance for sustainable manufacturing practices

Professional Applications & Engineering Value

This 12-point flanged screw delivers exceptional engineering value in demanding industrial environments where vibration resistance and structural integrity are paramount. The alloy steel construction with Rockwell C37 hardness provides superior resistance to shear forces and fatigue, making it ideal for heavy machinery, automotive assemblies, and structural frameworks. The 7/16"-14 UNC coarse thread design ensures rapid installation while maintaining holding power, and the integrated flange eliminates washer migration issues common in high-vibration applications. The external 12-point drive offers superior torque transmission compared to standard hex drives, reducing the risk of fastener rounding during high-torque applications. These features combine to create a precision fastener that addresses common failure points in industrial equipment while streamlining assembly processes.

Specification Summary & Compliance

This 12-point screw features precision Class 3A thread fit with UNC coarse threading (7/16"-14) and right-hand thread direction. Manufactured to exacting IFI 115 specifications with dimensional accuracy including 1½" length, 7/16" head dimensions, and 21/32" flange diameter. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets while maintaining the highest standards of performance and reliability.