S-92240A432 1/2"-20 x 1" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications.
• High tensile strength of 80,000 psi ensures reliable, long-lasting fastening under significant mechanical stress and vibration.
• Precise Class 2A thread fit guarantees smooth installation and secure engagement, reducing the risk of cross-threading and assembly errors.
• External hex drive and hex head design provides excellent torque transmission for easy installation and removal with standard tools.
• Fine UNF threading (1/2"-20) offers improved adjustment precision and superior resistance to loosening compared to coarse threads.
• Full threading along the 1" length allows for maximum grip and versatility in various material thicknesses.
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures consistent quality, safety, and environmental responsibility for global supply chains.

Professional Applications & Engineering Value

This 18-8 Stainless Steel hex head screw is engineered to address critical challenges in demanding industrial applications, such as machinery assembly, structural frameworks, and heavy equipment. The fine UNF thread (1/2"-20) and Class 2A thread fit provide exceptional clamping force and vibration resistance, minimizing maintenance needs in high-stress environments. Its external hex drive ensures efficient installation with common wrenches, reducing labor time. The corrosion-resistant properties of the material protect against rust and degradation, extending service life in humid or chemically exposed settings. Fully threaded for maximum holding power, this screw delivers reliable fastening solutions that meet rigorous engineering standards for performance and durability.

Specification Summary & Compliance

This screw features a 1/2"-20 UNF fine thread with Class 2A thread fit for precise dimensional accuracy, ensuring consistent performance. It is manufactured in accordance with ASME B18.2.1 specifications, guaranteeing interchangeability and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for hazardous substance restrictions.