S-92443A106 4-40 x 1/4" ASME B18.6.3 Brass Binding Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction for long-lasting performance in humid or demanding environments
• Enhanced durability with Rockwell B40 hardness to withstand repeated assembly and disassembly without stripping
• Reliable fastening strength featuring 50,000 psi tensile strength for secure connections in mechanical applications
• Precision thread engagement with Class 2A UNC coarse threads ensuring consistent, vibration-resistant installations
• Wide binding head design provides increased bearing surface for secure fastening in electrical and panel applications
• Full threading along the 1/4" length offers maximum grip and adjustment flexibility
• Compliance assurance meeting ASME B18.6.3 standards and environmental regulations for global supply chain compatibility

Professional Applications & Engineering Value

These 4-40 UNC brass rounded head slotted screws deliver exceptional engineering value through their specialized binding head design and brass material properties. The wide, rounded head profile distributes clamping force evenly, preventing damage to delicate materials while providing secure fastening in electrical enclosures, instrumentation panels, and precision mechanical assemblies. The coarse thread spacing and Class 2A thread fit ensure rapid installation with minimal cross-threading risk, significantly reducing assembly time in production environments. The fully threaded construction maintains consistent holding power along the entire 1/4" length, while the brass composition offers natural corrosion resistance without additional plating requirements. These characteristics make them ideal for applications requiring both electrical conductivity and mechanical reliability in industrial controls, telecommunications equipment, and precision manufacturing systems.

Specification Summary & Compliance

This binding head screw features precise Class 2A thread fit with 4-40 UNC coarse thread specifications and full compliance with ASME B18.6.3 manufacturing standards. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations regarding chemical safety. Thread diameter measures 0.112" with coarse spacing optimized for rapid assembly, while the 1/4" length provides versatile fastening solutions across multiple industrial applications.