S-92865A485 3/4"-16 x 4 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
- Exceptional tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Grade 5 steel construction with Rockwell C25 hardness provides superior durability and resistance to wear in demanding industrial environments.
- Zinc plating finish offers excellent corrosion resistance, extending the service life of the screw even in harsh conditions.
- UNF fine threading with Class 2A fit ensures precise, secure fastening and vibration resistance in machinery and equipment assemblies.
- Fully threaded design allows for maximum grip and load distribution along the entire 4 1/2" length, enhancing joint integrity.
- External hex drive and hex head facilitate easy installation and removal with standard tools, improving assembly efficiency.
- Compliance with ASME B18.2.1/SAE J429 standards guarantees consistent quality and interoperability in professional applications.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical challenges in heavy-duty industrial settings, such as machinery assembly, structural frameworks, and automotive components. The 3/4"-16 UNF fine thread and Class 2A fit provide superior clamping force and vibration resistance, minimizing loosening under dynamic loads. Made from high-strength steel with a zinc plated finish, it combats corrosion and wear, ensuring long-term reliability in environments exposed to moisture or chemicals. Its fully threaded 4 1/2" length and external hex drive design enable quick, secure installations, reducing downtime and maintenance costs for B2B users in construction, manufacturing, and equipment maintenance.
Specification Summary & Compliance
This screw features a 3/4"-16 UNF fine thread with Class 2A dimensional accuracy for precise fit. It meets ASME B18.2.1 and SAE J429 specifications, ensuring consistent manufacturing quality. Additionally, it is RoHS 3 (2015/863/EU) Compliant, supporting environmental and safety standards in global supply chains.
