S-91271A765 1/2"-20 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 tensile strength of 170,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
- Class 3A thread fit provides precise, tight tolerances for secure fastening and vibration resistance in critical assemblies.
- Alloy steel construction with Rockwell C37 hardness offers excellent durability and resistance to wear, extending the screw's service life.
- External 12-point drive and head design allows for high-torque installation with standard tools, improving assembly efficiency.
- Flanged feature distributes clamping force evenly, minimizing surface damage and enhancing joint integrity.
- Fully threaded 1/2"-20 UNF fine threads deliver strong holding power and fine adjustment capability in precision applications.
- Compliance with IFI 115, RoHS 3, and REACH ensures environmental safety and meets stringent industry standards for global use.
Professional Applications & Engineering Value
This 12-point alloy steel screw is engineered to address common industrial challenges such as vibration loosening and material fatigue. The Class 3A UNF fine threads provide a secure, tight fit that resists back-off in dynamic environments, while the external 12-point drive enables efficient installation with high torque tools, reducing assembly time. Ideal for heavy machinery, automotive, and aerospace applications, the screw’s flanged design and high tensile strength ensure reliable performance under extreme loads, making it a trusted choice for engineers seeking durability and compliance with IFI 115 standards.
Specification Summary & Compliance
This screw features a 1/2"-20 UNF thread with Class 3A fit, ensuring precise dimensional accuracy per inch-based standards. It is manufactured from alloy steel with a Rockwell C37 hardness and meets IFI 115 specifications for quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it is free from hazardous substances, supporting safe and sustainable industrial use.
