S-92979A356 3/8"-16 x 1 3/4" IFI 111, SAE J429 Medium-Strength Grade 5 Steel Flanged Hex Head Screws
Medium-Strength Grade 5 Steel Flanged Hex Head 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 110,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
- Zinc-plated steel construction provides excellent corrosion resistance, extending the service life of the screw in harsh environments.
- Flanged hex head design eliminates the need for a separate washer, offering faster installation and increased load distribution.
- Grade 5 strength classification and Rockwell C22 hardness guarantee consistent durability and resistance to wear under heavy loads.
- 3/8"-16 UNC coarse threading with Class 2A fit allows for quick assembly and secure fastening in a wide range of materials.
- Partial threading provides unthreaded shank strength where needed, ideal for applications requiring clamping force.
- Compliance with SAE J429, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations for safe, global use.
Professional Applications & Engineering Value
Engineered for demanding environments, this Grade 5 zinc-plated steel hex head screw addresses common industrial challenges such as vibration loosening and material fatigue. The external hex drive and flange design enhance grip and distribute stress evenly, making it ideal for machinery, automotive assemblies, and structural frameworks where UNC coarse threads facilitate rapid installation. Its 110,000 psi tensile strength and corrosion-resistant plating ensure long-term reliability, reducing maintenance needs in heavy-duty fastening applications while meeting strict SAE J429 standards for quality assurance.
Specification Summary & Compliance
This screw features a 3/8"-16 UNC thread with Class 2A fit for precise dimensional accuracy, a length of 1 3/4", and partial threading. It conforms to IFI 111/SAE J429 specifications for mechanical properties and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry-standard performance.
