S-92979A344 3/8"-16 x 1" 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
- Enhanced corrosion resistance with zinc-plated steel construction, ideal for industrial environments
- Superior load-bearing capacity from Grade 5 strength rating and 110,000 psi tensile strength
- Secure, vibration-resistant fastening with integrated flange design eliminating separate washers
- Easy installation and removal using standard tools with external hex drive and coarse UNC threads
- Precise thread engagement ensured by Class 2A fit for reliable assembly in demanding applications
- Consistent hardness and durability with Rockwell C22 rating for repeated use without degradation
- Full regulatory compliance meeting SAE J429, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel hex head screw delivers exceptional performance in heavy-duty assembly applications where vibration resistance and corrosion protection are critical. The fully threaded UNC coarse pattern enables rapid installation in structural components, machinery frames, and equipment assemblies, while the integrated flange distributes clamping force evenly, preventing surface damage and maintaining joint integrity under dynamic loads. The external hex drive provides superior torque transmission compared to standard hex heads, reducing stripping risk during high-torque applications. Engineered for industrial environments, these flange screws maintain their mechanical properties in demanding conditions, making them ideal for automotive, construction, and manufacturing applications requiring reliable, high-strength fastening solutions.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading (3/8"-16) ensuring consistent performance across applications. Complies with IFI 111/SAE J429 specifications for Grade 5 mechanical properties, including 110,000 psi tensile strength and Rockwell C22 hardness. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards for hazardous substance restrictions, making these screws suitable for global industrial supply chains.
