S-92865A366 1/2"-20 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
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
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.
- Zinc plating provides superior corrosion resistance, extending service life in harsh or outdoor environments.
- Rockwell C25 hardness offers excellent wear resistance, maintaining structural integrity under repeated loads.
- UNF fine threading with Class 2A fit delivers precise engagement and vibration resistance for secure assemblies.
- Fully threaded design allows for maximum grip and adjustability across the entire length of the screw.
- External hex drive enables easy installation and removal with standard tools, improving assembly efficiency.
- Compliance with ASME B18.2.1 and SAE J429 standards guarantees consistent quality and interchangeability in industrial settings.
Professional Applications & Engineering Value
This Grade 5 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 UNF fine thread design ensures tight, secure fastening that resists loosening under vibration, a common issue in dynamic environments. With a tensile strength of 120,000 psi and Rockwell C25 hardness, it provides durability against mechanical stress and wear. The zinc-plated finish adds a protective layer against corrosion, making it suitable for use in humid or chemically exposed settings. Fully threaded for maximum holding power, this external hex drive screw simplifies installation while meeting rigorous ASME B18.2.1 and SAE J429 specifications, ensuring reliability in demanding engineering projects.
Specification Summary & Compliance
This fastener adheres to Class 2A thread fit for precise dimensional accuracy and features a 1/2"-20 UNF fine thread with right-hand direction. It complies with ASME B18.2.1 and SAE J429 manufacturing standards, ensuring consistent performance. Additionally, it is RoHS 3 (2015/863/EU) compliant, meeting environmental safety regulations for restricted substances.
