S-92210A837 3/4"-10 x 1 1/4" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance through 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Superior load-bearing capability with 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
• Precise thread engagement with Class 3A UNC coarse threads ensuring reliable, vibration-resistant connections
• Maximum fastening efficiency through full threading and standard 82° countersink angle for flush, secure installations
• High-torque installation capability with 1/2" hex drive providing superior driving power and reduced tool slippage
• Regulatory compliance assurance meeting ASME B18.3 specifications and environmental standards including RoHS 3 and REACH
• Optimized for demanding applications with right-hand threading and flat head design for streamlined industrial assembly

Professional Applications & Engineering Value

These 3/4"-10 UNC flat head screws deliver critical engineering advantages for industrial and construction applications where reliability is paramount. The 18-8 stainless steel composition combined with passivated finish creates a robust barrier against corrosion, extending service life in challenging environments. The Class 3A thread fit ensures precise tolerance control, minimizing vibration-induced loosening in machinery, structural assemblies, and heavy equipment. The hex drive configuration allows for high-torque installation without cam-out, while the 82° countersink provides flush mounting in predrilled surfaces. With full threading along the 1-1/4" length, these screws distribute clamping force evenly, preventing joint failure in high-stress applications across manufacturing, infrastructure, and industrial maintenance sectors.

Specification Summary & Compliance

This flat head screw features precision UNC coarse threads with Class 3A fit for superior thread engagement and dimensional accuracy. Manufacturing complies with ASME B18.3 specifications, ensuring consistent quality and performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted substances. The combination of 3/4"-10 thread size, 1-1/4" length, and standardized 82° countersink angle provides reliable interchangeability and installation consistency across industrial applications.