S-92186A351 5/16"-24 x 1 3/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial environments and chemical exposure.
• High mechanical strength and durability provided by a 70,000 psi tensile strength and Rockwell B70 hardness, ensuring long-term reliability under load.
• Precise and secure fastening with a Class 2A thread fit and 5/16"-24 UNF fine thread spacing, minimizing the risk of loosening in high-vibration applications.
• Easy installation and removal using standard tools thanks to the external hex drive and right-hand thread design, reducing assembly time.
• Optimized thread engagement with a partially threaded shank, allowing for controlled clamping force and reduced risk of cross-threading.
• Compliance with major industry standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability for professional use.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict regulatory requirements for hazardous substances.

Professional Applications & Engineering Value

These 316 Stainless Steel hex head screws are engineered to address critical challenges in demanding sectors such as chemical processing, marine equipment, and food machinery, where corrosion resistance is paramount. The UNF fine thread and Class 2A thread fit provide superior vibration resistance and sealing capabilities, preventing joint failure in dynamic environments. With a partially threaded design, they offer precise clamping control, reducing stress concentration and improving fatigue life. The external hex drive ensures high torque application, making them suitable for heavy-duty assemblies requiring reliable, repeatable fastening solutions that comply with ASME B18.2.1 specifications.

Specification Summary & Compliance

This product adheres to Class 2A thread fit tolerances and UNF fine thread standards, ensuring precise dimensional accuracy as per ASME B18.2.1. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming the absence of restricted hazardous substances. The screw features a 5/16"-24 thread size in the inch system, with a minimum thread length of 7/8" and a total length of 1 3/4", providing reliable performance in industrial applications.