S-92620A961 1"-8 x 3 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 strength for demanding applications with Grade 8 classification and 150,000 psi tensile strength, ensuring reliable performance under high stress.
- Superior corrosion resistance provided by the zinc yellow-chromate plating, extending service life in harsh industrial environments.
- High durability and wear resistance due to Rockwell C33 hardness, maintaining fastener integrity over repeated use.
- Easy installation and removal with the external hex drive and coarse 1"-8 UNC threads, reducing assembly time and effort.
- Precise thread fit for secure connections with Class 2A tolerance, minimizing the risk of loosening in vibrating conditions.
- Full threading for maximum grip along the 3 1/2" length, offering versatile fastening in various material thicknesses.
- Compliance with industry standards including ASME B18.2.1 and SAE J429, ensuring consistent quality and interchangeability.
Professional Applications & Engineering Value
This Grade 8 hex head screw is engineered to address critical challenges in heavy machinery, construction, and automotive assemblies where failure is not an option. The steel material combined with zinc yellow-chromate plating provides robust protection against rust and chemical exposure, ideal for outdoor or corrosive settings. Its 1"-8 UNC coarse thread and fully threaded design ensure rapid installation and high clamping force, reducing the need for frequent maintenance. By meeting ASME B18.2.1 and SAE J429 specifications, it delivers reliable performance in high-vibration environments, making it a trusted choice for structural connections, equipment frames, and industrial fastening systems that demand longevity and safety.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including Class 2A thread fit for consistent engagement and UNC coarse threading with a 1"-8 size. It conforms to ASME B18.2.1 and SAE J429 specifications, ensuring compatibility and performance in industrial applications. The product meets common regulatory requirements for quality and safety in manufacturing.
