S-92443A847 1/4"-20 x 1" ASME B18.6.3 Brass Binding Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality brass construction, ensuring long-term reliability in demanding environments
• Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B40 hardness for heavy-duty fastening applications
• Precision thread engagement with Class 2A thread fit and UNC coarse threading for quick, secure installation and vibration resistance
• Optimized binding head design featuring wide rounded profile and 0.525" diameter for enhanced bearing surface and superior clamping force
• Full-length threading provides maximum thread engagement along the entire 1" length for consistent holding power
• Industry-standard compliance meeting ASME B18.6.3 specifications for dimensional accuracy and performance reliability
• Environmental responsibility with RoHS 3 and REACH compliance, ensuring safe use in regulated industries

Professional Applications & Engineering Value

These brass rounded head slotted screws deliver exceptional engineering value through their combination of corrosion-resistant brass material and binding head design. The UNC coarse thread pattern with Class 2A thread fit ensures rapid installation while maintaining precise tolerances, significantly reducing assembly time in high-volume production environments. The wide rounded head profile distributes clamping force evenly, preventing surface damage and providing secure fastening in electrical components, marine equipment, and precision instruments where vibration resistance and environmental durability are critical. The fully threaded design maximizes engagement depth, making these 1/4"-20 screws ideal for applications requiring consistent torque values and reliable performance under mechanical stress.

Specification Summary & Compliance

These screws feature Class 2A thread fit tolerance per UNC standards with precise dimensional control including 0.25" thread diameter and 1" length. Manufacturing complies with ASME B18.6.3 specifications for mechanical screws, ensuring consistent quality and performance. Environmental compliance includes RoHS 3 (2015/863/EU) with exemption 6(a)-I for lead as an alloying element and REACH (EC 1907/2006) compliance, meeting current environmental regulations for industrial use.