S-92979A463 1/2"-13 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
- Exceptional tensile strength of 110,000 PSI ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Corrosion-resistant zinc-plated steel construction provides enhanced durability and longevity in various environmental conditions.
- Flanged hex head design eliminates the need for separate washers, simplifying installation and improving load distribution.
- UNC coarse threading with Class 2A fit offers faster assembly and superior resistance to vibration loosening in industrial settings.
- Grade 5 strength classification guarantees consistent mechanical properties for critical structural and machinery applications.
- Fully threaded shank allows for maximum grip length and adjustable positioning in assembled components.
- Compliance with SAE J429, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these Grade 5 zinc-plated steel hex head screws deliver superior performance where high tensile strength and corrosion resistance are critical. The UNC coarse thread and Class 2A fit provide excellent engagement in metals and plastics, minimizing cross-threading risks and ensuring secure fastening under dynamic loads. The flanged head distributes clamping force evenly, reducing surface damage and eliminating washer requirements in machinery, structural frames, and equipment assembly. With a Rockwell C22 hardness and 110,000 PSI tensile strength, these screws withstand extreme stress in construction, automotive, and manufacturing sectors, offering long-term reliability and reduced maintenance costs.
Specification Summary & Compliance
This fastener meets precise dimensional standards with UNC 1/2"-13 coarse threads and Class 2A thread fit for consistent accuracy. Manufactured in compliance with IFI 111 / SAE J429 specifications, it ensures mechanical integrity and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial use.
