S-92198A528 3/4"-10 x 12 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and in demanding structural applications.
• Rockwell B70 hardness provides excellent durability and resistance to wear, extending the fastener's service life.
• Coarse UNC thread and Class 2A fit allow for faster assembly and easier alignment, reducing installation time and labor costs.
• Partially threaded design offers superior clamping force and vibration resistance in applications requiring precise joint security.
• External hex drive and standard hex head enable quick and secure tightening with common tools, enhancing installation efficiency.
• Full compliance with ASME B18.2.1, RoHS 3, and REACH guarantees product quality, safety, and environmental responsibility for global supply chains.

Professional Applications & Engineering Value

This heavy-duty hex head screw is engineered to solve critical challenges in construction, machinery, and infrastructure projects. The 18-8 Stainless Steel material provides excellent corrosion resistance, making it suitable for outdoor, marine, and chemical-exposed environments where rust prevention is essential. The coarse 3/4"-10 UNC thread and Class 2A thread fit ensure reliable engagement and ease of installation, reducing the risk of cross-threading in high-vibration settings. With an 80,000 psi tensile strength and partially threaded shank, it delivers optimal clamping force and fatigue resistance in heavy-load applications such as structural steel connections, industrial equipment assembly, and transportation infrastructure. This screw meets ASME B18.2.1 standards, ensuring dimensional accuracy and interoperability with other components, while its RoHS 3 and REACH compliance supports sustainable and safe manufacturing practices.

Specification Summary & Compliance

This 3/4"-10 UNC hex head screw features precise Class 2A thread fit and coarse thread spacing for consistent performance. It is manufactured in accordance with ASME B18.2.1 specifications, ensuring dimensional accuracy and mechanical reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for hazardous substance restrictions.