S-91858A849 10-24 x 5/8" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish for extended service life in harsh environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B80 hardness for reliable performance under heavy loads
• Precision thread engagement with Class 2A fit UNC coarse threads ensuring secure fastening and vibration resistance
• Full threading design provides maximum grip length and uniform stress distribution across the entire fastener
• Standard 82° countersink angle enables flush mounting for clean, professional finishes in assembled products
• Comprehensive regulatory compliance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
• Versatile slotted drive accommodates standard tools for easy installation and maintenance in various industrial settings

Professional Applications & Engineering Value

These 10-24 UNC flat head screws deliver critical engineering solutions where corrosion resistance and structural integrity are paramount. The 316 stainless steel composition, enhanced by passivated finish, provides exceptional protection against chemical exposure and atmospheric corrosion, making them ideal for marine, chemical processing, and food industry applications. The fully threaded design with coarse UNC threads ensures maximum holding power in both metallic and composite materials, while the standard flat head profile with 82° countersink allows for seamless surface integration. These industrial screws effectively address common challenges of fastener failure in high-moisture environments and applications requiring frequent disassembly, offering maintenance teams reliable, long-lasting heavy-duty fasteners that withstand demanding operational conditions.

Specification Summary & Compliance

This 5/8" flat head screw features precision 10-24 UNC coarse threads with Class 2A fit tolerance for consistent threading performance. Manufacturing complies with ASME B18.6.3 specifications ensuring dimensional accuracy and mechanical properties. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, confirming the absence of restricted substances. The fastener maintains 0.19" thread diameter and 0.362" head diameter with standard flat head profile dimensions as specified in applicable industrial standards.