S-92186A721 1/2"-13 x 2 1/4" 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 environments and chemical exposure
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and structural integrity in demanding applications
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• Coarse UNC threads offer faster installation and reduced risk of cross-threading in industrial assemblies
• External hex drive design allows for high-torque tightening with standard tools, improving installation efficiency
• Partial threading enables precise clamping force control and secure fastening in variable material thicknesses
• Compliance with ASME B18.2.1 guarantees dimensional accuracy and interchangeability for engineering projects

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these 1/2"-13 UNC hex head screws in 316 stainless steel deliver exceptional performance where corrosion resistance and mechanical strength are critical. The coarse thread design ensures rapid assembly in structural frameworks, machinery, and marine equipment, while the external hex drive accommodates high torque requirements without stripping. With a 70,000 psi tensile strength and Rockwell B70 hardness, they prevent failure under dynamic loads and vibration. The partial threading allows for optimized grip length in layered materials, reducing stress concentration. Ideal for chemical processing, offshore installations, and construction, these screws address challenges like environmental degradation and assembly efficiency, backed by ASME B18.2.1 standards for reliability.

Specification Summary & Compliance

This screw features a Class 2A thread fit for consistent engagement and ease of assembly, with dimensions including a 2 1/4" length and 3/4" head width. It conforms to ASME B18.2.1 for dimensional and mechanical specifications, ensuring interoperability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for hazardous substances.