S-91858A249 10-24 x 1 1/4" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments
• Enhanced durability and surface protection through passivated finish, extending service life in demanding conditions
• Reliable fastening performance with 70,000 psi tensile strength and Rockwell B80 hardness for high-stress applications
• Precision thread engagement with Class 2A UNC coarse threads ensuring consistent fit and vibration resistance
• Flush mounting capability featuring 82° countersink angle and standard flat head profile for seamless surface integration
• Full-length threading providing maximum grip strength across the entire 1-1/4" length
• Compliance assurance meeting ASME B18.6.3 specifications and environmental regulations including RoHS 3 and REACH

Professional Applications & Engineering Value

These 10-24 UNC flat head screws deliver exceptional engineering value in applications where corrosion resistance and structural integrity are paramount. The 316 stainless steel composition combined with passivated finish creates a robust barrier against chemical exposure, saltwater environments, and industrial contaminants. The fully threaded design ensures maximum load distribution, while the 82° countersink angle provides secure, flush mounting in precision machinery, marine equipment, and chemical processing systems. The slotted drive offers reliable installation compatibility, making these industrial screws ideal for maintenance-critical applications where long-term performance and regulatory compliance are essential requirements.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 specifications, these flat head screws feature Class 2A thread fit with UNC coarse threading (10-24 size) ensuring precise dimensional accuracy. The 1-1/4" length maintains strict tolerance control, while the mechanical properties include 70,000 psi tensile strength and Rockwell B80 hardness. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and workplace safety standards are met for global industrial applications.