S-92210A304 10-32 x 3/4" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
• Precise thread engagement with Class 3A fit and UNF fine threads ensuring reliable, vibration-resistant connections
• High tensile strength rated at 70,000 psi for demanding applications requiring exceptional load-bearing capacity
• Optimal flush mounting with standard 82° countersink angle and flat head design for smooth surface finishes
• Secure installation using 1/8" hex drive that prevents cam-out and provides superior torque transmission
• Full threading along the entire 3/4" length for maximum grip and holding power across the entire fastener
• Consistent performance backed by Rockwell B55 hardness for excellent wear resistance and dimensional stability

Professional Applications & Engineering Value

These 10-32 UNF flat head screws deliver exceptional engineering value in precision assemblies where flush mounting and reliable fastening are critical. The combination of 18-8 stainless steel with passivated finish provides superior corrosion resistance for applications in marine, chemical processing, and food equipment where moisture and corrosive elements are concerns. The Class 3A thread fit with UNF fine threading ensures precise engagement in tapped holes, reducing the risk of vibration-induced loosening in machinery, electronic enclosures, and precision instruments. The 82° countersink angle allows for perfect flush installation in chamfered holes, making these hex drive flat head screws ideal for applications requiring smooth surface profiles while maintaining the structural integrity offered by the 70,000 psi tensile strength.

Specification Summary & Compliance

This 10-32 UNF flat head screw features precision Class 3A thread fit with right-hand thread direction and fine thread spacing, manufactured to exacting dimensional standards including 0.411" head diameter and 3/4" length. The fastener complies with ASME B18.3 specifications for dimensional accuracy and performance requirements. Environmental and safety compliance includes RoHS 3 (2015/863/EU) compliance for restricted substance management and REACH (EC 1907/2006) compliance addressing chemical substance registration and authorization requirements.