S-91271A767 1/2"-20 x 2 1/4" 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 the external 12-point drive, ensuring secure fastening in high-stress applications
- Exceptional tensile strength of 170,000 psi from alloy steel construction, providing reliable performance under heavy loads
- Precise thread engagement with Class 3A UNF fine threads, offering excellent vibration resistance and reduced loosening
- Integrated flange design eliminates the need for a separate washer, distributing load evenly and simplifying assembly
- Enhanced durability with Rockwell C37 hardness, resisting wear and deformation in demanding industrial environments
- Optimized for confined spaces due to the 12-point head and partial threading, allowing for easier installation in tight areas
- Compliance with major standards including IFI 115, RoHS 3, and REACH, ensuring safety and environmental responsibility
Professional Applications & Engineering Value
This 12-point screw is engineered to address critical challenges in heavy machinery, automotive, and construction sectors where high tensile strength and vibration resistance are paramount. The alloy steel material, combined with Class 3A UNF fine threads, ensures a tight, secure fit that minimizes the risk of failure under dynamic loads. The external 12-point drive allows for efficient torque application with standard tools, reducing installation time and improving workflow. Its flanged design provides a larger bearing surface, preventing surface damage and maintaining joint integrity. Ideal for applications requiring partial threading, it offers flexibility in length engagement, making it a versatile choice for engineers seeking reliable industrial fasteners that meet stringent performance and regulatory demands.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including Class 3A thread fit for superior accuracy and UNF fine thread specifications (1/2"-20). It is manufactured in compliance with IFI 115 standards, ensuring consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming its adherence to environmental and safety regulations without hazardous substances.
