S-91271A720 1/2"-13 x 2" 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
- Superior torque transmission with 12-point external drive design for secure installation in high-stress applications
- Exceptional strength and durability from alloy steel construction with Rockwell C37 hardness and 170,000 psi tensile strength
- Reliable thread engagement through Class 3A thread fit and UNC coarse threads for vibration resistance
- Enhanced load distribution with integrated flange design that eliminates need for separate washers
- Full threading capability ensures maximum grip length and holding power across the entire 2" length
- Industry-standard compatibility with 1/2"-13 UNC specifications for seamless integration into existing systems
- Environmental compliance assurance meeting RoHS 3, REACH, and IFI 115 standards for global applications
Professional Applications & Engineering Value
This 12-point flanged screw delivers critical performance in demanding industrial environments where high torque transmission and vibration resistance are paramount. The alloy steel construction with Rockwell C37 hardness provides exceptional resistance to wear and deformation under heavy loads, while the Class 3A thread fit ensures precise engagement that maintains integrity in dynamic applications. The integrated flange design distributes clamping force effectively, reducing point stress and preventing loosening in machinery, construction equipment, and heavy structural assemblies. The external 12-point drive accommodates standard industrial tools for efficient installation and removal, making it ideal for maintenance-critical applications where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to precise Class 3A thread tolerances with 1/2"-13 UNC coarse threads and right-hand threading direction. Complies with IFI 115 specifications for dimensional accuracy and performance standards. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for safe use in restricted substance applications. The fully threaded 2" length provides consistent engagement while the 0.75" flange diameter offers optimal load distribution.
