S-91271A606 5/16"-24 x 7/8" 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 tensile strength of 170,000 psi ensures reliable performance in high-stress industrial applications
- Precision Class 3A thread fit provides superior engagement and vibration resistance in critical assemblies
- Alloy steel construction with Rockwell C37 hardness delivers outstanding durability and wear resistance
- Integrated flange design eliminates the need for separate washers while providing superior load distribution
- External 12-point drive system allows for high-torque installation in confined spaces
- Full threading along the 7/8" length ensures maximum grip and holding power throughout the fastener
- Comprehensive compliance with IFI 115 specifications and environmental regulations for global industrial use
Professional Applications & Engineering Value
This high-strength alloy steel 12-point screw addresses critical engineering challenges in demanding industrial environments. The 5/16"-24 UNF fine thread configuration with Class 3A precision fit provides exceptional resistance to vibration loosening, making it ideal for machinery, heavy equipment, and automotive applications where reliability is paramount. The external 12-point drive enables high-torque installation without stripping, while the integrated flanged design distributes clamping force evenly, reducing stress concentrations. Manufactured from alloy steel and heat-treated to Rockwell C37 hardness, this fastener maintains structural integrity under extreme loads, offering engineers a dependable solution for critical connections that must withstand prolonged operational stresses.
Specification Summary & Compliance
This 12-point screw features precise 5/16"-24 UNF fine threads with Class 3A fit tolerance for superior thread engagement. The fastener measures 7/8" in length with a 15/32" flange diameter and 5/16" drive size. Manufactured in compliance with IFI 115 specifications and meeting RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, this component ensures both mechanical performance and regulatory compliance for industrial applications worldwide.
