S-92186A985 1 1/2"-6 x 5 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads, reducing the risk of fastener failure.
• Rockwell B70 hardness provides excellent durability and resistance to wear, extending the service life of the screw.
• Coarse UNC thread and Class 2A fit allow for faster assembly and easier alignment, improving installation efficiency.
• External hex drive and hex head design offer secure, high-torque tightening with standard tools, preventing stripping.
• Partial threading provides an unthreaded shank for enhanced shear strength and precise clamping in structural joints.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees consistent quality, safety, and environmental standards for industrial use.

Professional Applications & Engineering Value

This 1 1/2"-6 UNC hex head screw in 316 stainless steel is engineered to tackle demanding industrial challenges where corrosion and high stress are common. The coarse thread design ensures quick, secure fastening in materials like steel and cast iron, reducing installation time in assembly lines or structural frameworks. With a partially threaded shank, it offers superior resistance to vibrational loosening and shear forces, making it ideal for heavy machinery, construction, and marine equipment. The external hex drive allows for high torque application, ensuring a tight fit in critical connections. By combining 70,000 psi tensile strength and Rockwell B70 hardness, this fastener delivers long-term reliability in corrosive or high-load environments, minimizing maintenance needs and downtime.

Specification Summary & Compliance

This screw features a 1 1/2"-6 UNC coarse thread with Class 2A thread fit for standard tolerance and easy assembly. It complies with ASME B18.2.1 specifications for dimensional accuracy and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial applications.