S-92620A723 1/2"-13 x 2 3/4" 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
- Maximum load-bearing capacity with 150,000 psi tensile strength and Rockwell C33 hardness for reliable performance in high-stress environments.
- Superior corrosion resistance due to zinc yellow-chromate plating, extending service life in harsh industrial conditions.
- Easy installation and removal with a standard 3/4" external hex head, compatible with common tools for efficient assembly.
- Secure, vibration-resistant fit from Class 2A coarse UNC threads, reducing the risk of loosening under dynamic loads.
- Full-thread engagement along the 2 3/4" length, ensuring consistent clamping force across the entire fastener.
- Compliance with industry standards including ASME B18.2.1 and SAE J429, guaranteeing dimensional accuracy and material quality.
- Versatile right-hand threading for straightforward application in common machinery and structural assemblies.
Professional Applications & Engineering Value
These Grade 8 hex head screws are engineered to address critical challenges in heavy-duty industrial settings, such as machinery assembly, construction frameworks, and automotive systems. The steel material combined with zinc yellow-chromate plating provides exceptional durability against corrosion and wear, reducing maintenance frequency. The coarse UNC thread and Class 2A fit ensure quick, secure fastening even in high-vibration environments, minimizing the risk of joint failure. Ideal for applications demanding high tensile strength and reliable performance, these screws meet rigorous ASME B18.2.1 and SAE J429 specifications, offering peace of mind for engineers and procurement specialists.
Specification Summary & Compliance
This product adheres to Class 2A thread fit tolerances and UNC coarse thread standards, ensuring precise dimensional accuracy. Manufactured in compliance with ASME B18.2.1 and SAE J429 specifications, it meets industry requirements for material properties and mechanical performance. The zinc yellow-chromate finish aligns with common corrosion protection standards, supporting use in regulated environments without compromising on reliability.
