S-94386A102 5/16"-18 x 3/4" IFI 111, SAE J429 Extra-Wide Serrated-Flange Hex Head Screws
Extra-Wide Serrated-Flange 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 applications, reducing the risk of fastener failure.
- Zinc-plated steel construction provides excellent corrosion resistance, extending the fastener's service life in demanding environments.
- Flanged hex head with serrations offers superior locking capability and distributes clamping force, preventing loosening under vibration.
- Grade 5 classification and Rockwell C22 hardness guarantee consistent mechanical properties and durability for industrial use.
- UNC coarse threading and Class 2A fit allow for quick assembly and easy engagement, improving installation efficiency.
- Full compliance with SAE J429, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations for safe, global use.
- External hex drive design enables high-torque application with standard tools, facilitating secure fastening in confined spaces.
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel hex head screw is engineered to address critical challenges in heavy-duty industrial applications, such as machinery assembly, structural frameworks, and automotive components. The UNC coarse thread design resists cross-threading and ensures rapid installation, while the flanged head with serrations provides vibration-resistant locking without requiring additional washers. Made from zinc-plated steel, it combats corrosion in harsh environments, maintaining integrity under load. With a tensile strength of 110,000 psi and Rockwell C22 hardness, it delivers reliable performance where high clamp load and fatigue resistance are essential, reducing maintenance needs and downtime in demanding operations.
Specification Summary & Compliance
This fastener features a 5/16"-18 UNC thread with Class 2A fit for precise dimensional accuracy and easy assembly. It is manufactured in accordance with IFI 111 / SAE J429 specifications, ensuring consistent quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety standards for global industrial use.
