S-92620A153 1/2"-13 x 13" 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 in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc yellow-chromate plating extends service life in harsh industrial environments, minimizing maintenance needs.
- Precision Class 3A thread fit with UNC coarse threading provides secure, vibration-resistant connections for improved assembly stability.
- Grade 8 strength classification and Rockwell C33 hardness offer consistent durability under heavy loads and repetitive use.
- Partially threaded design allows for controlled clamping force and easier alignment in structural and machinery assemblies.
- Compliance with ASME B18.2.1 and SAE J429 standards guarantees interchangeability and reliability in demanding engineering applications.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global industrial supply chains.
Professional Applications & Engineering Value
This Grade 8 hex head screw is engineered to address critical challenges in heavy machinery, construction, and automotive sectors where high tensile strength and corrosion resistance are paramount. The zinc yellow-chromate plating combats rust and oxidation in exposed or humid conditions, while the UNC coarse thread with Class 3A fit ensures rapid installation and secure fastening even under vibration. Its partially threaded configuration provides optimal grip length for bolted joints, reducing stress concentration. Ideal for structural frames, equipment mounts, and industrial assemblies, this screw delivers long-term reliability and compliance with ASME B18.2.1 and SAE J429 specifications, making it a trusted choice for engineers prioritizing safety and performance.
Specification Summary & Compliance
This screw adheres to Class 3A thread fit tolerances per UNC standards, with a thread size of 1/2"-13 and a minimum thread length of 1 1/2". Manufactured in accordance with ASME B18.2.1 and SAE J429 specifications, it meets stringent industrial requirements. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it is free from hazardous substances and suitable for regulated applications.
