S-92620A349 1 1/2"-6 x 9" 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 load-bearing capacity with 150,000 PSI tensile strength and Rockwell C33 hardness for reliable performance in high-stress applications.
- Superior corrosion resistance due to zinc yellow-chromate plating, extending service life in harsh industrial environments.
- Optimized for heavy-duty assembly featuring a coarse 1-1/2"-6 UNC thread and partial threading for secure fastening in thick materials.
- Precise thread fit with Class 2A tolerance ensuring smooth installation and consistent clamping force.
- High-strength Grade 8 steel construction meeting ASME B18.2.1 and SAE J429 standards for guaranteed quality and interchangeability.
- Easy installation and removal with an external hex drive and 2 1/4" head width, compatible with standard tools.
- Environmentally compliant design adhering to RoHS 3 and REACH regulations for safe, sustainable usage.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these Grade 8 hex head screws deliver robust performance in construction, machinery, and structural assemblies. The 1-1/2"-6 UNC coarse thread and partial threading provide enhanced grip in thick plates or castings, reducing the risk of stripping under dynamic loads. Made from high-grade steel and finished with zinc yellow-chromate plating, they resist rust and corrosion in outdoor or high-moisture environments, minimizing maintenance downtime. Compliant with ASME B18.2.1, these fasteners ensure reliability in critical applications like heavy equipment and infrastructure projects, offering a cost-effective solution for long-term durability.
Specification Summary & Compliance
This product features a Class 2A thread fit for precise dimensional accuracy, with a 1-1/2"-6 UNC coarse thread and 9" length. It conforms to ASME B18.2.1 and SAE J429 specifications, ensuring consistent manufacturing quality. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety standards for global industrial use.
