S-92210A250 10-24 x 1 3/8" ASME B18.3, ASTM F879 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Superior load-bearing capacity with 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under stress
• Precision thread engagement with Class 3A fit and UNC coarse threads ensuring secure, vibration-resistant connections
• Efficient installation and removal through hex drive design providing superior torque transmission and tool grip
• Flush mounting capability with standard 82° countersink angle allowing smooth surface finishes in assembled products
• Full threading along 1-3/8" length enables maximum grip range and adjustment flexibility in various material thicknesses
• Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for quality and environmental safety

Professional Applications & Engineering Value

These 10-24 UNC flat head screws deliver critical engineering solutions where corrosion resistance and structural integrity are paramount. The 18-8 stainless steel composition with passivated finish provides exceptional protection against chemical exposure and atmospheric corrosion, making them ideal for industrial equipment, marine applications, and food processing machinery. The Class 3A thread fit ensures precise engagement with mating components, reducing the risk of cross-threading while maintaining vibration resistance in dynamic operating conditions. The hex drive configuration allows for high-torque installation without cam-out issues, while the flat head design with 82° countersink creates seamless surface profiles in precision assemblies. These fully threaded screws offer maximum holding power across their entire 1-3/8" length, providing versatile fastening solutions for various material thicknesses in manufacturing and maintenance operations.

Specification Summary & Compliance

Manufactured to exacting dimensional standards with Class 3A thread fit and UNC coarse thread spacing for superior engagement characteristics. Complies with ASME B18.3 specifications for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Features right-hand thread direction with standard flat head profile and full threading along the entire 1-3/8" length. The manufacturing process adheres to ASTM F879 specifications for quality assurance.