S-96242A626 1/4"-28 x 3" 12-Point Screws
12-Point Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance with 450 Stainless Steel construction, ideal for harsh industrial environments.
- Superior thread engagement and vibration resistance thanks to the Class 3A thread fit and UNF fine threading.
- High tensile strength of 170,000 psi ensures reliable performance under extreme mechanical loads.
- Enhanced durability and wear resistance provided by the Rockwell C37 hardness rating.
- Secure, high-torque installation enabled by the external 12-point drive and 5/16" drive size.
- Improved load distribution and seating from the integrated flange design, reducing the risk of surface damage.
- Optimized for specific assembly needs with a partially threaded shank and 3" length for precise application control.
Professional Applications & Engineering Value
This 12-Point Screw is engineered to address critical challenges in heavy-duty assembly, where vibration resistance and corrosion prevention are paramount. The 450 Stainless Steel material offers excellent resistance to oxidation and chemical exposure, making it suitable for automotive, aerospace, and marine applications. The Class 3A thread fit and UNF fine threading ensure tight, secure fastening that minimizes loosening under dynamic loads. The external 12-point drive allows for high-torque application with standard tools, while the flanged design distributes clamping force evenly, protecting sensitive surfaces and enhancing joint integrity in demanding industrial settings.
Specification Summary & Compliance
This fastener adheres to UNF (Unified National Fine) thread standards with a Class 3A thread fit for precise dimensional accuracy. The partially threaded design and right-hand thread direction comply with common industrial specifications. Manufactured from 450 Stainless Steel, it meets general industry requirements for mechanical properties, including a tensile strength of 170,000 psi and Rockwell C37 hardness. The product is designed to align with relevant ASME and other engineering standards, ensuring reliability and performance in professional applications.
