S-92185A372 5/8"-18 x 2 1/2" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh environments and chemical exposure.
• Exceptional thread reliability due to the Class 3A fit and UNF fine threads, ensuring precise engagement and reducing the risk of cross-threading.
• High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications requiring reliable load-bearing capacity.
• Secure and efficient installation provided by the 1/2" hex drive and standard socket head, allowing for high torque application without slippage.
• Optimized for space-constrained assemblies with a partially threaded design, offering strong clamping where needed while minimizing unnecessary thread contact.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global industrial markets.
• Durable, long-lasting performance in inch system measurements, maintaining dimensional stability and fit in precision machinery and equipment.

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw is engineered to address critical challenges in industrial settings, such as corrosion from chemicals, moisture, and high-stress conditions. The UNF fine thread with a Class 3A fit ensures tight, reliable fastening in precision assemblies, reducing vibration loosening and improving joint integrity. Its passivated finish enhances corrosion resistance, making it ideal for marine, chemical processing, and food industry applications where hygiene and durability are paramount. The combination of 70,000 psi tensile strength and a 1/2" hex drive allows for secure installation in high-torque scenarios, providing long-term reliability in machinery, automotive, and structural frameworks. This fastener delivers consistent performance, minimizing maintenance and downtime in industrial fastening systems.

Specification Summary & Compliance

This socket head cap screw adheres to precise dimensional standards, including a Class 3A thread fit for superior accuracy and a UNF thread type with fine spacing. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for environmentally regulated applications. Manufactured with a Rockwell B70 hardness and 70,000 psi tensile strength, it conforms to industry expectations for durability and mechanical performance in inch-based systems.