S-92620A714 1/2"-13 x 1 1/4" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws
High-Strength Grade 8 Steel Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional load-bearing capacity with 150,000 psi tensile strength, ideal for high-stress industrial assemblies.
- Superior corrosion resistance from zinc yellow-chromate plating, extending service life in harsh environments.
- High-strength Grade 8 classification and Rockwell C33 hardness for reliable performance under heavy-duty conditions.
- Easy installation and removal with external hex drive and coarse UNC threads, reducing assembly time.
- Precise thread fit (Class 2A) ensures secure, vibration-resistant connections in machinery and equipment.
- Full threading along the 1 1/4" length provides consistent clamping force across the entire fastener.
- Compliance with major standards including ASME B18.2.1 and SAE J429, guaranteeing interchangeability and quality.
Professional Applications & Engineering Value
These Grade 8 hex head screws are engineered to address critical challenges in heavy machinery, construction, and automotive sectors where high tensile strength and durability are paramount. The zinc yellow-chromate plating offers robust protection against oxidation and chemical exposure, significantly reducing maintenance needs in outdoor or corrosive settings. With coarse UNC threads and a Class 2A thread fit, these screws deliver rapid assembly and reliable grip in steel structures, equipment frames, and high-vibration applications. The fully threaded design ensures uniform stress distribution, minimizing the risk of joint failure under dynamic loads, making them a trusted choice for engineers prioritizing safety and longevity.
Specification Summary & Compliance
This 1/2"-13 UNC hex head screw adheres to Class 2A thread tolerances for consistent fit and performance. Manufactured in compliance with ASME B18.2.1 and SAE J429 specifications, it meets rigorous industrial standards. The product is also certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental safety and regulatory adherence for global supply chains.
