S-92198A452 1/2"-20 x 6" 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 environments and reducing replacement frequency.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and mechanical stress.
• Rockwell B70 hardness provides excellent wear resistance and durability for long-term industrial use.
• Fine UNF thread spacing and Class 2A fit offer precise, secure fastening with reduced risk of loosening.
• External hex drive and 3/4" head width allow for easy installation and high torque application with standard tools.
• Partially threaded 6" length provides optimal grip and clamping force in thick materials or assemblies.
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures quality, safety, and environmental standards are met.

Professional Applications & Engineering Value

This 1/2"-20 UNF hex head screw is engineered to address critical industrial fastening challenges, particularly in applications requiring corrosion resistance and high tensile strength. The 18-8 stainless steel material prevents rust and degradation in moist or chemical-exposed settings, such as marine equipment, food processing machinery, and outdoor structures. Its fine thread spacing and Class 2A thread fit deliver superior vibration resistance and precise alignment, minimizing the risk of joint failure in dynamic loads. With an external hex drive and substantial head width, it supports efficient installation in confined spaces, reducing assembly time and labor costs. Ideal for heavy-duty frameworks, industrial machinery, and construction projects, this screw ensures long-term reliability and compliance with rigorous engineering standards.

Specification Summary & Compliance

This screw features a 1/2"-20 UNF thread with Class 2A fit for precise dimensional accuracy and fine thread spacing. It is manufactured in accordance with ASME B18.2.1 specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global industrial use.