S-93143A190 8-32 x 1/4" ASME B18.6.3 Aluminum Round Head Slotted Screws

Key Features & Benefits at a Glance

• High-strength aluminum construction provides excellent durability with 30,000 psi tensile strength and Rockwell B40 hardness for reliable performance in demanding applications
• Precision Class 2A thread fit ensures smooth installation and secure fastening with consistent engagement across mating components
• Corrosion-resistant 2024 aluminum material offers lightweight strength without compromising on structural integrity in various industrial environments
• Standard slotted drive design allows for quick installation and removal using common tools while maintaining the rounded head's clean aesthetic
• Fully threaded UNC coarse pattern delivers maximum grip and holding power with faster assembly compared to fine-thread alternatives
• Comprehensive regulatory compliance meets ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH for global market acceptance
• Optimized dimensional consistency with 0.309" head diameter and 0.12" head height ensures proper seating and uniform appearance in assembled products

Professional Applications & Engineering Value

These 8-32 UNC rounded head slotted screws deliver exceptional engineering value where lightweight strength and corrosion resistance are critical. The 2024 aluminum construction provides an optimal strength-to-weight ratio, making these fasteners ideal for aerospace components, electronic enclosures, and precision instrumentation where weight reduction is paramount. The coarse UNC thread pattern ensures rapid installation and superior vibration resistance in assemblies subject to dynamic loads. With fully threaded design and Class 2A thread fit, these screws maintain consistent clamping force across the entire engagement length, preventing loosening in high-vibration industrial environments. The rounded head profile combined with slotted drive offers both aesthetic appeal and practical installation efficiency for production lines requiring both speed and reliability.

Specification Summary & Compliance

This 8-32 UNC screw features precision Class 2A thread fit with coarse thread spacing and right-hand threading. Manufactured to exacting ASME B18.6.3 specifications, the fastener maintains dimensional accuracy with 0.164" thread diameter and 1/4" length. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. All manufacturing processes adhere to standardized quality controls for consistent performance in critical applications.