S-92186A974 1 1/4"-7 x 6 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 due to 316 stainless steel construction, ideal for chemical, marine, and outdoor applications.
• High tensile strength of 70,000 psi ensures reliable performance and structural integrity under heavy loads and stress.
• Excellent durability and wear resistance provided by a Rockwell B70 hardness, reducing the risk of stripping or deformation.
• Secure and efficient fastening with a coarse UNC thread and Class 2A fit, enabling quick assembly and vibration resistance.
• Versatile partial threading allows for unthreaded shank sections, providing enhanced shear strength and precise clamping control.
• Broad compatibility with standard external hex drive tools, facilitating easy installation and removal in confined spaces.
• Compliance with industry standards including ASME B18.2.1, RoHS 3, and REACH, ensuring safety, quality, and environmental responsibility.

Professional Applications & Engineering Value

This 1 1/4"-7 UNC hex head screw in 316 stainless steel is engineered to address critical challenges in demanding industrial settings. Its coarse thread design and Class 2A thread fit provide superior grip and resistance to loosening under vibration, making it ideal for heavy machinery, structural frameworks, and marine equipment. The partial threading enhances shear strength, while the external hex drive ensures easy torque application with common tools. With a 6 1/2" length and 2 3/4" minimum thread engagement, it offers reliable fastening in thick materials, reducing the risk of joint failure. The corrosion-resistant properties of 316 stainless steel make it suitable for chemical processing, wastewater treatment, and coastal applications, ensuring long-term performance and reduced maintenance costs.

Specification Summary & Compliance

This screw features a 1 1/4"-7 UNC coarse thread with Class 2A dimensional accuracy for consistent fit and performance. It is manufactured in compliance with ASME B18.2.1 specifications, ensuring mechanical and dimensional reliability. Environmental and safety standards are met through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming the absence of hazardous substances. The partially threaded design, right-hand thread direction, and external hex drive align with industry requirements for heavy-duty fastening solutions.