S-93143A550 1/4"-20 x 2" ASME B18.6.3 Aluminum Round Head Slotted Screws

Key Features & Benefits at a Glance

• Superior strength-to-weight ratio with 2024 aluminum construction, ideal for applications where weight reduction is critical without sacrificing structural integrity
• Exceptional durability with 30,000 psi tensile strength and Rockwell B40 hardness, ensuring reliable performance under mechanical stress and vibration
• Precise thread engagement with UNC coarse threading and Class 2A fit, providing easy installation and secure fastening in various materials
• Broad compatibility through compliance with ASME B18.6.3 standards, guaranteeing interchangeability and consistent quality in industrial assemblies
• Enhanced safety and environmental responsibility with RoHS 3 and REACH compliance, meeting strict regulatory requirements for hazardous substances
• Full-thread design offering maximum grip length and uniform load distribution along the entire fastener
• User-friendly slotted drive on a rounded head for straightforward manual installation with standard tools

Professional Applications & Engineering Value

This 2024 aluminum rounded head screw addresses critical engineering challenges in weight-sensitive and corrosive environments. Its high-strength aluminum alloy provides excellent corrosion resistance while maintaining a lightweight profile, making it ideal for aerospace, automotive, and electronics assemblies. The UNC coarse thread and Class 2A fit ensure quick, reliable installation in soft materials or pre-tapped holes, reducing assembly time and minimizing cross-threading risks. Fully threaded along its 2-inch length, it delivers consistent clamping force and vibration resistance, crucial for dynamic industrial applications. Compliance with ASME B18.6.3 ensures dimensional accuracy and performance reliability, supporting just-in-time manufacturing and maintenance operations.

Specification Summary & Compliance

This fastener features a 1/4"-20 UNC coarse thread with Class 2A tolerance for precise fit, manufactured per ASME B18.6.3 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.