S-92865A477 3/4"-16 x 2 1/2" 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
- Superior load-bearing capacity with 120,000 psi tensile strength and Grade 5 classification, ensuring reliable performance in high-stress applications.
- Enhanced corrosion resistance from zinc plating, extending service life in industrial environments and reducing maintenance frequency.
- Precise thread engagement with UNF fine threading and Class 2A fit, providing excellent vibration resistance and secure fastening.
- High durability backed by Rockwell C25 hardness, minimizing wear and deformation under repeated use.
- Easy installation and removal using standard external hex drive tools, saving time and labor costs in assembly operations.
- Full threading design for consistent grip along the entire 2 1/2" length, ideal for applications requiring uniform clamping force.
- Compliance with industry standards including ASME B18.2.1 and SAE J429, guaranteeing interchangeability and safety in regulated sectors.
Professional Applications & Engineering Value
This 3/4"-16 UNF hex head screw is engineered to address critical industrial challenges, such as joint failure under dynamic loads and environmental degradation. Constructed from Grade 5 steel with a zinc-plated finish, it combats rust and chemical exposure in machinery, construction, and automotive assemblies. The fine UNF threading and Class 2A thread fit ensure tight, vibration-resistant connections, reducing the risk of loosening in equipment like engines, structural frames, and heavy-duty fixtures. By integrating high tensile strength and standardized dimensions, it streamlines maintenance and replacement, offering long-term reliability for B2B procurement in demanding sectors.
Specification Summary & Compliance
This fastener adheres to precise inch system measurements, including a 3/4"-16 UNF thread size with Class 2A tolerance for accurate fit. It meets ASME B18.2.1 and SAE J429 specifications for dimensional consistency and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental safety and regulatory alignment for global industrial use.
