S-92941A537 1/4"-20 x 1/2" ASME B18.2.1 Brass Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from high-quality brass material, ideal for harsh environments and extended service life
• Superior mechanical strength with 50,000 PSI tensile strength and Rockwell B55 hardness for reliable performance in heavy-duty applications
• Optimized for quick assembly with coarse UNC threads and Class 2A thread fit, ensuring smooth engagement and reduced installation time
• Secure and efficient driving provided by the external hex drive and standard 7/16" head width, compatible with common wrenches
• Maximum grip and holding power from the fully threaded design, distributing load evenly along the entire 1/2" length
• Guaranteed dimensional consistency and interchangeability through compliance with ASME B18.2.1 manufacturing standards
• Environmentally responsible sourcing with full compliance to RoHS 3 and REACH regulations

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 1/4"-20 UNC brass hex head screws provide critical solutions where corrosion resistance and mechanical reliability are paramount. The brass construction inherently resists oxidation and galvanic corrosion, making these fasteners ideal for marine, plumbing, electrical, and chemical processing applications. The coarse UNC thread profile and Class 2A fit ensure rapid installation and secure fastening in soft materials or where vibration resistance is required. With a 50,000 PSI tensile strength and fully threaded design, they deliver consistent clamping force and prevent loosening under dynamic loads, reducing maintenance needs and improving operational safety in heavy machinery, pump systems, and structural assemblies.

Specification Summary & Compliance

This hex head screw features precise 1/4"-20 UNC coarse threads with Class 2A thread fit tolerances, ensuring proper engagement and interchangeability. Manufacturing and dimensional specifications strictly conform to ASME B18.2.1 standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming the absence of restricted hazardous substances.