S-92240A310 5/16"-24 x 2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and reducing replacement costs
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing in demanding applications
- Precise thread engagement through UNF fine spacing and Class 2A fit, ensuring vibration resistance and secure fastening
- Full threading along the 2" length provides maximum grip and adjustability in assembled components
- External hex drive design allows for high-torque installation with standard tools, speeding up assembly processes
- Compliance with major industry standards including ASME B18.2.1, guaranteeing dimensional accuracy and interchangeability
- Environmental regulation adherence with RoHS 3 and REACH compliance, supporting sustainable and safe manufacturing practices
Professional Applications & Engineering Value
This 5/16"-24 UNF hex head screw in 18-8 stainless steel addresses critical engineering challenges in industrial settings, such as corrosion-induced failure and joint loosening under dynamic loads. The fully threaded design with UNF fine spacing enhances thread contact area, distributing stress evenly and maintaining clamp force in vibrating machinery. Its Class 2A thread fit ensures consistent assembly with standard nuts, reducing installation errors. Commonly used in heavy-duty equipment, automotive assemblies, and structural frameworks, this fastener's 80,000 psi tensile strength and external hex drive provide reliable performance where durability and ease of maintenance are paramount, minimizing downtime and lifecycle costs.
Specification Summary & Compliance
This hex head screw features a 5/16"-24 UNF thread with Class 2A fit for precise dimensional tolerance, as per ASME B18.2.1 standards. It is fully threaded with a length of 2", right-hand thread direction, and meets regulatory requirements including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.
