S-92620A342 1 1/2"-6 x 5" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws
High-Strength Grade 8 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 strength for demanding applications with a tensile strength of 150,000 psi and Rockwell C33 hardness, ensuring reliable performance under high stress.
- Superior corrosion resistance provided by the zinc yellow-chromate plating, extending service life in harsh industrial environments.
- Precise and secure fastening thanks to the Class 2A thread fit and UNC coarse thread design, reducing the risk of cross-threading and ensuring easy installation.
- Versatile partial threading allows for optimal grip and adjustment in assemblies, ideal for applications requiring variable clamping force.
- Compliance with rigorous standards including ASME B18.2.1 and SAE J429 Grade 8, guaranteeing consistency and safety in critical uses.
- Environmental responsibility through RoHS 3 and REACH compliance, supporting sustainable and safe manufacturing practices.
- Durable external hex drive design enables high-torque installation with common tools, minimizing slippage and improving efficiency.
Professional Applications & Engineering Value
This Grade 8 hex bolt is engineered to address common industrial challenges, such as vibration loosening and material fatigue, in heavy machinery, construction, and automotive assemblies. The steel material and zinc yellow-chromate plating provide robust protection against corrosion and wear, while the 1-1/2"-6 UNC coarse thread ensures quick and secure engagement in coarse-grained materials. Its partially threaded design allows for precise load distribution, reducing stress concentrations. By meeting ASME B18.2.1 specifications, it delivers reliable performance in high-stress environments, making it a trusted choice for engineers seeking durability and compliance in industrial hex bolts.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including Class 2A thread fit and UNC thread type with a coarse spacing for optimal performance. It conforms to ASME B18.2.1 and SAE J429 Grade 8 manufacturing specifications, ensuring high quality and interoperability. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental and safety standards in global supply chains.
