S-92865A920 1"-8 x 4" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 Steel 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 strength and durability with Grade 5 classification and 120,000 psi tensile strength, ideal for high-stress industrial applications.
- Superior corrosion resistance provided by zinc plating, extending service life in harsh environments.
- Reliable and easy installation thanks to the external hex drive and coarse UNC thread, ensuring quick assembly and strong holding power.
- Precise thread fit with Class 2A tolerance, guaranteeing consistent performance and secure fastening.
- Full threading along the 4" length offers maximum grip and adjustability in various material thicknesses.
- Compliance with major industry standards including ASME B18.2.1 and SAE J429, ensuring quality and interoperability.
- Environmentally safe composition meeting RoHS 3 and REACH regulations, supporting sustainable procurement practices.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical challenges in heavy-duty industrial fastening. Made from zinc plated steel, it combats corrosion in demanding settings like construction, machinery assembly, and automotive applications. The 1"-8 UNC coarse thread and fully threaded design deliver enhanced vibration resistance and load distribution, preventing loosening under dynamic stresses. With a Rockwell C25 hardness and external hex drive, it ensures durability and easy torque application, reducing installation time and maintenance needs. Ideal for structural connections, this fastener provides reliable performance where high tensile strength and long-term integrity are paramount.
Specification Summary & Compliance
This product features a Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy. It complies with ASME B18.2.1 and SAE J429 specifications for consistent quality. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its safety and regulatory adherence for global industrial use.
