S-90280A240 10-24 x 3/8" ASME B18.6.3 Steel Fillister Head Slotted Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance through zinc plating, extending service life in demanding industrial environments
• Superior torque transmission with the fillister head design providing optimal driver engagement and reduced cam-out risk
• High-strength performance with 60,000 psi tensile strength and Rockwell B69 hardness for reliable fastening in critical applications
• Precision thread engagement through Class 2A thread fit ensuring consistent assembly and vibration resistance
• Quick installation capability with coarse UNC threading enabling faster driving and reduced cross-threading incidents
• Full-thread coverage along the entire 3/8" length maximizing grip strength and load distribution
• Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations for global supply chain compatibility

Professional Applications & Engineering Value

These zinc-plated steel fillister head screws deliver exceptional engineering value in precision assembly applications where corrosion resistance and reliable fastening are paramount. The rounded fillister head profile combines aesthetic appeal with functional superiority, providing a higher head height for deeper driver engagement while maintaining a low-profile appearance. The 10-24 UNC coarse threading with Class 2A fit ensures rapid installation in production environments while maintaining vibration resistance in machinery, electronic enclosures, and automotive components. The zinc plating creates a sacrificial barrier that significantly extends service life in moderately corrosive environments, making these slotted drive screws ideal for maintenance applications where tool accessibility varies. With full threading along the entire 3/8" length, these fasteners distribute clamping forces evenly, preventing joint failure in high-stress industrial applications.

Specification Summary & Compliance

This 10-24 UNC screw features precision Class 2A thread fit tolerances per ASME B18.6.3 specifications, ensuring consistent performance in industrial fastening applications. The manufacturing process adheres to ASME B18.6.3 standards for dimensional accuracy and mechanical properties. Environmental compliance includes RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) compliance for chemical safety. The fully threaded design with coarse spacing provides optimal engagement in various materials, while the right-hand thread direction follows industry-standard installation protocols for machinery and equipment assembly.