S-92865A151 1/4"-20 x 1 1/8" 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 of 120,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Zinc plating provides excellent corrosion resistance, extending the service life of the screw in various industrial environments.
- Grade 5 classification and Rockwell C25 hardness offer a robust balance of strength and durability for repeated use.
- Coarse UNC thread and Class 2A fit enable quick and secure installation, minimizing assembly time and improving efficiency.
- Partially threaded design with 3/4" minimum thread length allows for precise clamping force control in specific joint configurations.
- External hex drive and hex head facilitate easy tightening with standard tools, ensuring straightforward maintenance and disassembly.
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees adherence to industry standards and environmental regulations, providing peace of mind for procurement.
Professional Applications & Engineering Value
This 1/4"-20 Grade 5 hex head screw is engineered to address critical fastening challenges in heavy-duty industrial applications, such as machinery assembly, structural frameworks, and automotive components. Its zinc-plated steel construction combats corrosion, reducing maintenance costs in harsh environments. The coarse UNC thread and Class 2A fit ensure secure engagement and vibration resistance, preventing loosening under dynamic loads. With a tensile strength of 120,000 psi and Rockwell C25 hardness, it delivers consistent performance in high-stress scenarios, making it an ideal choice for B2B buyers seeking durable, ASME B18.2.1 compliant fasteners that enhance operational reliability and safety.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and UNC coarse threading with a size of 1/4"-20, ensuring dimensional accuracy per ASME B18.2.1 and SAE J429 standards. It is manufactured from steel with a zinc-plated finish and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial use.
