S-92865A566 1/4"-20 x 6 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
- High tensile strength (120,000 psi) ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Zinc plating provides excellent corrosion resistance, extending service life in various environmental conditions.
- Grade 5 classification and Rockwell C25 hardness offer a robust balance of strength and durability for repeated use.
- UNC coarse threading allows for quicker installation and superior grip in a wide range of materials.
- Fully threaded design maximizes engagement and clamping force along the entire length.
- External hex drive and hex head facilitate easy installation and removal with common tools, improving assembly efficiency.
- Compliance with ASME B18.2.1 and RoHS 3 ensures adherence to industry standards and environmental regulations for safe use.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical fastening challenges in industrial applications such as construction, machinery assembly, and heavy equipment. The steel material combined with zinc plating offers enhanced durability and corrosion resistance, preventing premature wear in harsh environments. Its UNC coarse thread and Class 2A thread fit provide reliable engagement and vibration resistance, reducing maintenance needs. With a tensile strength of 120,000 psi and full threading, it ensures secure, long-lasting connections in high-strength fastening scenarios, supporting structural integrity and operational safety.
Specification Summary & Compliance
This fastener meets ASME B18.2.1 and SAE J429 specifications, with a Class 2A thread fit for consistent dimensional accuracy. It is RoHS 3 (2015/863/EU) Compliant, ensuring it adheres to environmental regulations. The UNC coarse thread and right-hand thread direction align with standard inch measurements, providing reliable performance in various industrial settings.
