S-92240A535 1/4"-20 x 3/8" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
• High tensile strength of 80,000 psi provides superior load-bearing capacity for demanding industrial assemblies.
• Class 2A thread fit ensures smooth, reliable installation and consistent engagement with mating components.
• External hex drive design allows for high-torque application with standard tools, speeding up assembly processes.
• Fully threaded shank maximizes grip length and holding power across the entire fastener length.
• Coarse UNC thread pattern facilitates quick assembly and reduces cross-threading risks in various materials.
• Rockwell B70 hardness offers excellent wear resistance and durability under repetitive stress.

Professional Applications & Engineering Value

Engineered for precision and endurance, these 1/4"-20 UNC hex head screws in 18-8 Stainless Steel address critical needs in machinery, structural frameworks, and outdoor equipment where corrosion and high stress are concerns. The coarse thread and Class 2A fit enable rapid, secure fastening in metals and composites, minimizing assembly errors. With an external hex drive, they support high-torque applications, ensuring tight seals in automotive, construction, and marine industries. Their fully threaded design distributes clamping force evenly, preventing joint failure and extending service life in heavy-duty fastening scenarios.

Specification Summary & Compliance

This screw features precise Class 2A thread fit per UNC standards, with dimensions including 1/4"-20 thread size and 3/8" length. Manufactured to ASME B18.2.1 specifications, it guarantees dimensional accuracy and interoperability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring safety and environmental responsibility.