S-92198A857 3/4"-10 x 5 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior 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 load-bearing capacity and structural integrity under heavy-duty use.
• Rockwell B70 hardness provides excellent durability and resistance to wear, reducing the need for frequent replacements.
• External hex drive and hex head design allows for easy installation and removal with standard tools, improving assembly efficiency.
• Partially threaded shank offers optimal grip and clamping force, minimizing the risk of loosening in vibration-prone applications.
• Class 2A thread fit and UNC coarse threading ensure smooth engagement and reliable fastening in a wide range of materials.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees consistent quality, safety, and environmental standards for global industrial use.

Professional Applications & Engineering Value

This 3/4"-10 UNC hex head screw is engineered to address critical challenges in demanding industrial settings. The 18-8 Stainless Steel material delivers exceptional corrosion resistance, making it suitable for applications exposed to moisture, chemicals, or extreme weather, such as construction, machinery assembly, and marine equipment. The coarse thread (UNC) and partially threaded design enhance grip and reduce the risk of cross-threading, while the external hex drive ensures quick, secure fastening with common wrenches. With an 80,000 psi tensile strength and Rockwell B70 hardness, it provides long-lasting performance in structural connections, heavy-duty frames, and load-bearing components, minimizing maintenance downtime and ensuring operational reliability.

Specification Summary & Compliance

This screw features a 3/4"-10 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and reliable engagement. It is manufactured in accordance with ASME B18.2.1 specifications, ensuring consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and environmentally responsible use in industrial applications worldwide.