S-92941A552 1/4"-20 x 2 1/2" ASME B18.2.1 Brass Hex Head Screws

Key Features & Benefits at a Glance

• Corrosion-resistant brass construction ensures long-lasting performance in demanding environments
• High tensile strength of 50,000 psi provides reliable load-bearing capacity for industrial applications
• Rockwell B55 hardness rating delivers excellent durability and resistance to deformation
• External hex drive design allows for easy installation with standard tools and secure torque application
• Partially threaded configuration with 3/4" minimum thread length enables precise clamping control
• UNC coarse threading ensures quick assembly and reduced cross-threading risks
• Class 2A thread fit guarantees consistent, reliable engagement with mating components

Professional Applications & Engineering Value

These brass hex head screws provide exceptional value in applications where corrosion resistance and electrical conductivity are critical. The 1/4"-20 UNC coarse thread design offers superior performance in soft materials and rapid assembly situations, while the external hex drive ensures maximum torque transmission without stripping. The partially threaded configuration allows for precise clamping force distribution, making these industrial fasteners ideal for electrical enclosures, marine equipment, and plumbing systems where brass material properties prevent galvanic corrosion and maintain integrity in harsh environments.

Specification Summary & Compliance

Manufactured to exact ASME B18.2.1 specifications with Class 2A thread fit tolerance for consistent performance. These 1/4"-20 UNC screws feature a 2-1/2" length with coarse thread spacing and meet stringent regulatory requirements including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, ensuring they're suitable for global industrial applications and environmental standards.