S-91268A436 1/2"-13 x 1 1/2" 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 tensile strength of 150,000 PSI ensures reliable performance under extreme loads, reducing the risk of fastener failure in demanding applications.
- Grade 8 steel construction with Rockwell C33 hardness provides superior durability and resistance to wear, extending service life in harsh industrial environments.
- Fully threaded UNC coarse design with Class 2A fit offers quick assembly and secure fastening, minimizing installation time while maintaining precision.
- External hex drive and 3/4" head width allow for easy torque application with standard tools, enhancing efficiency in maintenance and production lines.
- Compliance with ASME B18.2.1 standards guarantees consistent quality and interoperability, supporting seamless integration into existing systems.
- RoHS 3 and REACH environmental compliance ensures safe use without hazardous substances, meeting global regulatory requirements for sustainable operations.
- Right-hand threading and 1-1/2" length provide versatile fastening solutions for heavy-duty assemblies, from machinery to structural frameworks.
Professional Applications & Engineering Value
Engineered for rigorous industrial use, this Grade 8 hex head screw addresses common challenges like vibration loosening and high-stress fatigue. Its steel material and UNC coarse threads deliver robust clamping force, ideal for applications in construction equipment, automotive assemblies, and heavy machinery where 150,000 PSI tensile strength prevents joint failure. The external hex drive facilitates quick installation with standard wrenches, reducing downtime in production lines. By combining ASME B18.2.1 compliance with full threading, it ensures reliable performance in dynamic environments, making it a trusted choice for engineers seeking durability and efficiency.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and adheres to ASME B18.2.1 manufacturing standards, ensuring dimensional accuracy for 1/2"-13 UNC coarse threads. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted substances for safe industrial use.
