S-92620A746 1/2"-20 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 Load-Bearing Capacity – With a tensile strength of 150,000 PSI, this screw reliably handles high-stress applications without failure.
- Superior Corrosion Resistance – The zinc yellow-chromate plating provides a durable barrier against rust and environmental degradation, extending service life in harsh conditions.
- Precise Thread Engagement – Fully threaded UNF fine thread design ensures maximum grip and vibration resistance, reducing the risk of loosening over time.
- High Hardness for Durability – Rockwell C33 hardness offers excellent wear resistance and maintains thread integrity under repeated use.
- Easy Installation and Removal – External hex drive and standard hex head allow for quick, secure tightening with common tools, saving time on assembly lines.
- Consistent Performance – Class 2A thread fit guarantees accurate, interchangeable parts that meet strict industrial tolerances for reliable fastening.
- Compliance with Industry Standards – Meets ASME B18.2.1 and SAE J429 specifications, ensuring compatibility and safety in regulated environments.
Professional Applications & Engineering Value
This Grade 8 hex head screw is engineered for demanding industrial settings where failure is not an option. The steel construction and fine UNF threads deliver superior clamping force and vibration resistance, critical in machinery, automotive assemblies, and structural frameworks. The zinc yellow-chromate plating combats corrosion in humid or outdoor applications, reducing maintenance costs and downtime. Ideal for heavy-duty equipment, construction projects, and manufacturing lines, this fastener ensures long-term reliability and performance under extreme loads, aligning with B2B procurement needs for durability and compliance.
Specification Summary & Compliance
This screw features a 1/2"-20 UNF fine thread with Class 2A fit for precise dimensional accuracy, ensuring consistent performance. It adheres to ASME B18.2.1 and SAE J429 Grade 8 standards, with full compliance to RoHS 3 and REACH regulations for environmental safety and material restrictions.
